My Neighbor, the Assassin Characters

by Michelle Heard

My Neighbor, the Assassin by Michelle Heard Book Cover
This character guide covers arcs across the whole book and may contain spoilers.

This novel has a thriller-heavy cast anchored by Rowan Teller, the Bratva assassin turned WITSEC witness as Owen Casey, and Annie Collins, his MIT-educated bar-server neighbor. Around them are Bratva bosses and hunters, WITSEC handlers, bar coworkers, transport and identity contacts, plus a small epilogue community.

On this page you will find each character's role, a short description, and the relationships and story arcs that connect them. Expect antagonists, allies, and supporting figures from the bar, the chase, and the quieter epilogue moments, all drawn from the character list above.

Main Characters

Rowan Teller

Protagonist

Rowan Teller is a Bratva assassin known as 'The Wolf' who turns against Bastien Tarasov, rescues Lily Miller, and surrenders to the FBI. He is relocated under WITSEC as Owen Casey and later takes the identity Reid Callahan. He is hypervigilant, violent when threatened, and drawn to Annie despite fearing that closeness will make her a target.

Arc: He moves from an isolated assassin expecting the Bratva to hunt him to a man who admits his love for Annie, kills to protect her, and escapes with her to a new life. In the epilogue he lives as Reid Callahan, married to Ana and raising Tyler and Lila while running the Last Light tiki bar.

  • Annie Collins — his neighbor, coworker, lover, and wife; he calls her 'my light'
  • Bastien Tarasov — former Bratva boss who called him 'my wolf'
  • Miles — bar owner/boss who knows his past as The Wolf
  • Harlan — coworker at Miles's bar
  • Marshal Laufer — WITSEC marshal/handler who arranged his Owen Casey identity
  • Lily Miller — the trafficked girl he rescues from Bastien
  • Katherina — former sexual partner he killed on Bastien's order
  • Grigori Vlasov — Bratva enemy who hunts him and is killed by him
  • Luis Trejo — longtime contact who provides transport and the vault
  • Javier — chief steward on his yacht
  • Marco — identity contact who provides Ana's documents
  • Tyler — his son in the epilogue
  • Lila — his daughter in the epilogue

Annie Collins

Protagonist

Annie Collins is a red-haired bar server and neighbor of Owen Casey who studied mathematics and computer science at MIT and left a stressful quantitative engineering job. She is attracted to Owen, becomes his coworker, and is eventually kidnapped by him when the Bratva finds them. She is compassionate, frightened by Rowan's violence, but increasingly committed to him.

Arc: She begins as a bar worker with a crush and a guarded past, then is forced to confront Rowan's identity as an assassin and killer. She chooses to stay with him, shoots Grigori to protect him, takes the identity Ana/Anastasia Callahan, and builds a family with Reid in Peru.

  • Rowan Teller — her neighbor, coworker, lover, and husband
  • Miles — her boss who gave her a job and safe place and warned her about Owen
  • Harlan — coworker and friend, one of the people who mean most to her
  • Vanessa — friend and confidante
  • Grigori Vlasov — enemy she shoots in the thigh to protect Rowan
  • Luis Trejo — contact who reluctantly allows her into his vault
  • Javier — yacht steward she tries to order back for Rowan's sake
  • Tracy — drunk woman she confronts at the festival
  • Tyler — her son in the epilogue
  • Lila — her daughter in the epilogue

Bastien Tarasov

Antagonist

Bastien Tarasov is the head of the Bratva who uses Rowan as an assassin and enforcer, calling him 'my wolf.' He keeps Lily Miller beside him at his club, accepts her as a gift from Andrei Nikitin, and orders Rowan to kill Iosef Nikitin. He is cruel, provocative, and willing to punish Rowan for defiance.

Arc: He goes from a powerful Bratva boss controlling Rowan and trafficking Lily to a prisoner rotting in jail after Rowan hands him to the FBI. His orders and cruelty set Rowan's defection and later Bratva danger in motion.

  • Rowan Teller — his assassin/enforcer whom he calls 'my wolf'
  • Lily Miller — the terrified young girl he keeps at his booth and shoves
  • Andrei Nikitin — associate who gifted Lily to him
  • Iosef Nikitin — the target he orders Rowan to kill
  • Katherina — trafficked woman he beat and ordered killed
  • Grigori Vlasov — Bratva figure whose imprisonment leaves Grigori in charge

Grigori Vlasov

Antagonist

Grigori Vlasov is the Bratva man hunting Rowan across Mexico, Guatemala, Costa Rica, and Panama, using the pursuit as a show of force to be voted the new head of the Bratva. He confronts Rowan at the dock with Kirill and other men, taunts him about breaking Annie, and fights him until Rowan kills him.

Arc: He moves from an off-page hunter and would-be Bratva leader to the final dock antagonist. Annie shoots him in the thigh during the fight, and Rowan kills him.

  • Rowan Teller — Bratva enemy he hunts, fights, and is killed by
  • Kirill — his fighter/ally
  • Annie Collins — he threatens to break her; she shoots him
  • Bastien Tarasov — Bastien's imprisonment leaves Grigori in charge

Kirill

Antagonist

Kirill is Grigori Vlasov's fighter who stabs Rowan in the side during the dock confrontation. Rowan kills him during the fight.

Arc: He serves as one of Grigori's fighters in the final confrontation and is killed by Rowan.

  • Grigori Vlasov — his fighter/ally
  • Rowan Teller — opponent he stabs and is killed by

Andrei Nikitin

Antagonist

Andrei Nikitin is a Bratva associate who gifted Lily Miller to Bastien Tarasov. Rowan later hands him over to the FBI along with Bastien and Iosef.

Arc: His gift of Lily helps trigger Rowan's rescue and defection, and he is ultimately handed over to the FBI.

  • Bastien Tarasov — associate who gifted Lily to him
  • Lily Miller — the girl he gifted to Bastien
  • Rowan Teller — the assassin who hands him to the FBI

Supporting Characters

Miles

Supporting

Miles owns and runs the bar where Owen/Rowan works and is noted as a former FBI agent who knows Rowan's past as 'The Wolf.' He is protective of Annie and wary of Owen's violence. He gives Annie a job and a safe place, trains Owen, and later witnesses the Bratva attack.

Arc: He warns Annie away from Owen and confronts Owen in the laundry room as The Wolf, but when the Bratva attack begins he throws Rowan his truck keys and later takes Annie's call confirming she is alive.

  • Annie Collins — his employee whom he warns away from Owen and tries to protect
  • Rowan Teller — his employee whom he confronts and later calls Rowan
  • Harlan — his employee at the bar
  • Vanessa — regular patron at his bar
  • Marshal Laufer — speaks with him at the bar before meeting Owen

Harlan

Supporting

Harlan is a cook and bartender at Miles's bar, Annie's coworker and friend, and Vanessa's romantic interest. He teases Annie about Owen, shows concern for her, and banters with Vanessa. During the Bratva violence he is alarmed and told by Miles to stay put.

Arc: He moves from teasing Annie about Owen to dating Vanessa, and remains one of the people Annie says mean most to her.

  • Annie Collins — coworker and friend who teases her about Owen
  • Vanessa — romantic interest he dates
  • Miles — his boss at the bar
  • Rowan Teller — coworker at the bar
  • Rick — regular customer

Vanessa

Supporting

Vanessa is a flirtatious regular at Miles's bar, a friend of Annie, and Harlan's romantic interest. She teases Annie about her crush on Owen, flirts with Owen and others, and later advises Annie to guard her heart. She agrees to Harlan's date and gives him her address.

Arc: She starts as a flirtatious regular and becomes Annie's confidante and Harlan's date, while still creating awkward romantic tension.

  • Annie Collins — friend and confidante
  • Harlan — romantic interest she agrees to date
  • Rowan Teller — flirtatious regular patron
  • Rick — regular whose cheek she kisses

Marshal Laufer

Supporting

Marshal Laufer is the WITSEC marshal/handler who gives Rowan his new identity as Owen Casey and secretly relocates him to Portland. He monitors Owen's cover, questions him about old contacts and his behavior, and warns him to stay buried and controlled. He checks in on Owen weekly.

Arc: He arranges Owen's cover and warns him to blend in, but after the bar fight he tells Owen he cannot lose control because he is too dangerous and remains the only one standing between Owen and a short list of options.

  • Rowan Teller — the marshal/handler in charge of his WITSEC identity and behavior
  • Miles — speaks with him at the bar before meeting Owen

Lily Miller

Supporting

Lily Miller is a terrified young girl kept at Bastien Tarasov's club and described as a gift from Andrei Nikitin. Rowan rescues her, changes her out of the glittery dress, calls her mother, and leaves her at a McDonald's to wait. Her fear and exploitation stir Rowan's humanity.

Arc: Her rescue helps prompt Rowan to surrender to the FBI and take down Bastien, Andrei, and Iosef.

  • Bastien Tarasov — the man who keeps her at his booth and shoves her
  • Rowan Teller — the man who rescues her and calls her mother
  • Andrei Nikitin — Bratva associate who gifted her to Bastien

Katherina

Supporting

Katherina is a trafficked woman at Bastien's club and Rowan's former sexual partner for two years. She fought back against Bastien, went to the police, and was later shot in the back of the head by Rowan on Bastien's order. Her fate haunts Rowan and becomes a dark secret he confesses to Annie.

Arc: Her killing becomes a measure of Rowan's violent past and a test of Annie's trust after his confession.

  • Rowan Teller — former sexual partner whom he killed on Bastien's order
  • Bastien Tarasov — trafficker who beat her and gave the kill order

Luis Trejo

Supporting

Luis Trejo is the one asset Rowan kept hidden from the FBI, a contact who provides transport, sanctuary, safe-deposit boxes, clothes, a private jet, a yacht, and a Colombia contact for a fee. He reluctantly allows Annie into his vault room and witnesses her blood signature in his ledger.

Arc: He arranges the jet, yacht, and Colombia contact that help Rowan and Annie escape, and transfers the security drawer to Annie.

  • Rowan Teller — longtime client he has served for years
  • Annie Collins — the companion he reluctantly allows into his vault
  • Marco — contact

Javier

Supporting

Javier is the chief steward on Rowan's yacht who treats Rowan's stab wound, obeys the order to sail nonstop to Colombia, and refuses Annie's demand to turn back. He later sets a candlelit table on deck and serves dinner to Rowan and Annie.

Arc: He helps nurse Rowan after the dock fight and serves the couple once they reach safety at sea.

  • Rowan Teller — his employer on the yacht
  • Annie Collins — Rowan's wife, whom he refuses to obey when she demands turning back

Marco

Supporting

Marco is the identity specialist/contact who provides Ana's new ID, passport, birth certificate, and marriage certificate under the name Anastasia Callahan, replacing a deceased woman's information. He calls Reid when the documents are ready.

Arc: He supplies the documents that enable Annie and Rowan to become Ana and Reid and begin their beachfront life.

  • Rowan Teller — client/contact
  • Luis Trejo — contact

Iosef Nikitin

Supporting

Iosef Nikitin is the Bratva target Bastien orders Rowan to kill by the end of the week. Rowan later hands Iosef over to the FBI along with Bastien and Andrei.

Arc: He is the catalyst for Bastien's hit order and later part of Rowan's FBI cooperation deal.

  • Bastien Tarasov — the Bratva head who orders Rowan to kill him
  • Rowan Teller — the assassin ordered to kill him and later hands him to the FBI

Tracy

Supporting

Tracy is a drunk woman at the festival who approaches Reid, pretends to stumble into him, and asks him to pretend to be interested so her friends think she is scoring. She is pulled away by a friend after Ana confronts her.

Arc: Her approach to Reid prompts Ana's possessive kiss and public claim at the bar.

  • Rowan Teller — stranger she approaches at the festival
  • Annie Collins — woman who confronts her

Rafa

Supporting

Rafa is a regular at the Last Light tiki bar in the epilogue who is down because Sofia flirts with surfers. He asks Reid for another drink and listens when Reid advises him to ask Sofia out.

Arc: He appears in the epilogue as part of the local community around Reid and Ana's settled life.

  • Sofia — woman he has been trying to win over
  • Rowan Teller — bartender/confidant at Last Light

Sofia

Supporting

Sofia is the woman Rafa has been trying to win over in the epilogue. She flirts with surfers Ben and Javi, leaving Rafa dejected.

Arc: She appears in the epilogue as part of Rafa's romantic trouble around Last Light.

  • Rafa — man trying to win her over

Lila

Supporting

Lila is Reid and Ana's daughter in the epilogue. She carries her book to Reid and asks him words such as adventure, forever, and promise, then falls asleep and is carried inside.

Arc: She appears in the epilogue as part of the family life Rowan and Annie built.

  • Rowan Teller — her father
  • Annie Collins — her mother
  • Tyler — her brother

Tyler

Supporting

Tyler is Reid and Ana's son in the epilogue. He does homework at the bar, argues about doing it on Friday, and races Ana at soccer while Reid deflects his shot so Tyler scores.

Arc: He appears in the epilogue as part of the ordinary family routine Rowan and Annie built.

  • Rowan Teller — his father
  • Annie Collins — his mother
  • Lila — his sister

Julio

Supporting

Julio brings a red snapper to the tiki bar in exchange for two beers and declines Ana's dinner invitation. He is part of the local community around Last Light in the epilogue.

Arc: He appears in the epilogue as part of the quiet life Reid and Ana have made.

  • Rowan Teller — tiki bar owner
  • Annie Collins — friend/bar owner

Felipe

Supporting

Felipe arrives early for his bartending shift at Last Light, says his bike is fixed, and kisses his mother's temple. He is Paloma's son and works for Reid and Ana.

Arc: He appears in the epilogue as part of the staff and community at Last Light.

  • Paloma — his mother
  • Rowan Teller — his employer
  • Annie Collins — his employer

Paloma

Supporting

Paloma works in the Last Light kitchen and is Felipe's mother. Ana hired her after her husband drowned and she had no income.

Arc: She appears in the epilogue as part of the family and staff life Reid and Ana built.

  • Felipe — her son
  • Rowan Teller — her employer
  • Annie Collins — her employer

Rick

Supporting

Rick is a regular at Miles's bar who tells Harlan and Annie that his brother died after getting drunk and driving into a tree. He finishes his beer, says it is his last, and leaves saying he will not come around anymore.

Arc: His grief over his brother's death is a quiet bar scene showing the regulars' community.

  • Harlan — regular customer
  • Annie Collins — regular customer
  • Vanessa — regular who kisses his cheek

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