The Shadow Friends Characters

A retired CIA operative living in Purity, Maine, with her husband Lloyd. She survives a Provence safe-house attack, returns home, and is later pulled back into the field through Rodrigo's Argus operation, going undercover as Beatriz Guerrero. She becomes a target on a Russian kill list, is used as bait by Jon Marcus, and ultimately chooses her marriage over Rodrigo's offer.

Arc: She begins by deciding to go home and tell Lloyd she loves him; after the operation exposes old secrets and nearly kills her friends, she rejects Rodrigo permanently and drives home to Lloyd.

• Lloyd Slocum — husband; the analyst she loves
• Rodrigo Estrada — former lover and CIA colleague
• Maggie Bird — friend and former colleague
• Hannah Murray — assassin sent to kill her
• Jon Marcus — used her as bait by feeding her name to Moscow
• Sophie Benoit — the young colleague she was assigned to protect
• Gordon — dead Agency colleague
• Simon — dead Agency colleague

A Russian illegal who has spent years living under the dead American identity Hannah Murray, working as a housekeeper at the Cod Cove Resort. She is the stiletto killer responsible for Gordon, Simon, and Karen O'Brien, poisons Dr. Maslov with polonium-210, and abducts Maggie. She is fifty-two, lonely, and desperate to complete her final task so her handlers will bring her home.

Arc: Her cover collapses after the Amesbury house is breached; she targets Ingrid, spares Maggie, shoots Lloyd, and is executed by Jon Marcus, who has hunted her for 28 years.

• Ingrid Slocum — her assigned target
• Maggie Bird — captive she interrogates and spares
• Andrei Petrov — housemate she kills after he sees Cyrillic on her phone
• Gordon — murdered him in Provence
• Simon — murdered him in Provence
• Jon Marcus — the man who hunts and executes her

A retired CIA officer and member of the Martini Club who lives at Blackberry Farm. She performs CPR on Dr. Maslov, is put in isolation, and then digs into the conspiracy with her friends. She is abducted by Hannah Murray and rescued, and she has a romantic relationship with Declan.

Arc: She starts in quarantine trying to stay uninvolved, is drawn back into operations, and after being taken and nearly killed, accepts that Declan has broken through her hardened shell.

• Ingrid Slocum — friend and former colleague
• Declan Rose — romantic partner
• Lloyd Slocum — friend and traveling companion
• Hannah Murray — her captor
• Jo Thibodeau — friend and law-enforcement ally
• Dr. Maslov — the man she tried to save

Police chief of Purity, Maine, investigating Karen O'Brien's murder and later Dr. Maslov's poisoning. She repeatedly clashes with and assists the Martini Club, and she tries to protect Andrei Petrov. She is an outsider to the espionage world but becomes a crucial bridge to local law enforcement.

Arc: She starts as an outsider kept in the dark, pushes for the truth, and ends up helping the group while eventually handing the case over to the FBI.

• Ingrid Slocum — local acquaintance whose disappearance she investigates
• Maggie Bird — friend and ally
• Andrei Petrov — young man she interviews and tries to help
• Agent Tanner Minnihan — federal investigator she works with and challenges
• Lloyd Slocum — husband of missing Ingrid; she helps search for her

Ingrid's husband, a desk-bound analyst who loves her deeply. He follows Ingrid to Amsterdam with Maggie, confronts the field world, and is shot by Hannah Murray at Blackberry Farm. He struggles with being kept out of Ingrid's secrets.

Arc: He begins trusting and sheltered, nearly dies in the field, and after being shot is welcomed into the group's moral gray world and agrees to a cover story.

• Ingrid Slocum — wife
• Maggie Bird — friend and teammate
• Rodrigo Estrada — Ingrid's former lover; they set aside rivalry to protect her
• Hannah Murray — shot him
• Ben Diamond — friend who welcomes him to 'our world'

Ingrid's former CIA colleague and former lover, now CEO of the private intelligence firm Argus. He recruits Ingrid for operations, runs the staked-goat hunt with Jon Marcus, and still carries a spark for her. He offers her a job in Budapest at the end.

Arc: He reappears after 28 years to pull Ingrid back into the field; after she refuses his final offer, he departs alone.

• Ingrid Slocum — former lover and colleague
• Lloyd Slocum — Ingrid's husband
• Jon Marcus — off-the-record client
• Hannah Murray — assassin he pleads to save before Marcus executes her

A retired CIA officer and member of the Martini Club. He is skeptical, practical, and willing to bend rules, often handling research and surveillance. He argues for handling the expected killer themselves and eventually welcomes Lloyd into the group's world.

Arc: He begins with suspicion even of Ingrid, then fully commits to the group's plan and accepts the moral compromises required.

• Ingrid Slocum — oldest friend he sometimes suspects
• Maggie Bird — longtime friend and former Agency recruit
• Declan Rose — longtime friend and teammate
• Lloyd Slocum — friend and ally
• Jo Thibodeau — police chief he excludes because she is 'too straight an arrow'

A retired CIA officer and member of the Martini Club, and Maggie's partner. He is the group's calm peacekeeper, participates in the stakeout, and is anguished when Maggie is abducted. He supports Maggie after her rescue and takes her away from Blackberry Farm.

Arc: Remains steady and protective throughout; after the final violence, he packs Maggie's things and leaves with her before dawn.

• Maggie Bird — romantic partner
• Ingrid Slocum — friend and former colleague
• Ben Diamond — longtime friend and teammate
• Jo Thibodeau — ally he weighs whether to trust

A CIA officer operating under the cover name Jon Marcus, revealed to be Gordon's son. He saves Lloyd and Maggie in Amsterdam but is the one who used Ingrid as bait by giving her name to Moscow. He waits 28 years to avenge his father, then executes Hannah Murray and resigns from the Agency.

Arc: He appears as a rescuer, is revealed as the betrayer who manipulated Ingrid, and after killing Hannah disappears into the Agency's gray world.

• Gordon — father, killed by Hannah
• Hannah Murray — target he hunted and executed
• Ingrid Slocum — used her as bait
• Lloyd Slocum — saved him in Amsterdam
• Rodrigo Estrada — off-the-record client at Argus

An FBI special agent investigating Dr. Maslov's poisoning and searching for Ingrid Slocum. He has a physics master's degree and is initially dismissed by Jo as a desk-bound physicist. He is captured by the Martini Club during a stakeout and later works with Jo to expose Hannah Murray's identity.

Arc: He starts by suspecting Andrei Petrov and hunting Ingrid, then discovers the dead-double Hannah Murray and the scope of the Russian operation.

• Jo Thibodeau — local police chief he questions and later works with
• Ingrid Slocum — person of interest he is trying to find
• Andrei Petrov — suspect in Maslov's poisoning
• Hannah Murray — real killer he fails to identify earlier

A young waiter from Belarus who served Dr. Maslov and becomes an FBI suspect. He is frightened, lonely, and subjected to xenophobic cruelty from Karen O'Brien. He is killed by Hannah Murray after seeing Cyrillic on her phone.

Arc: He flees in fear, is suspected of murder, and ends up dead in a lakeside cabin because he discovered Hannah's secret.

• Hannah Murray — housemate and mother figure who kills him
• Jo Thibodeau — police chief who believes he ran from fear
• Karen O'Brien — housemate who was cruel to him

A waitress at the Cod Cove Resort whose body is found in the trunk of her car with a stiletto in her eye. She was unkind to foreigners and estranged from her daughter. She was killed because she saw Hannah Murray taking the polonium-laced bottle from Dr. Maslov's room.

Arc: She is murdered early; her death sets off the homicide investigation.

• Jo Thibodeau — investigating officer
• Hannah Murray — her killer
• Andrei Petrov — housemate

A Russian defector and conference speaker who collapses in his hotel room and later dies from polonium-210 poisoning. His illness was initially mistaken for Ebola, then turns out to be deliberate murder. His poisoning is the event that pulls Maggie into quarantine and the investigation.

Arc: He goes from suspected Ebola patient to confirmed poisoning victim, dying in critical care.

• Maggie Bird — tried to resuscitate him
• Hannah Murray — poisoned him
• Andrei Petrov — served him chowder and tea
• Dr. Cornell Stamoran — suspected he had Ebola

Infectious-disease expert who delivers the conference keynote warning about pandemic threats. He directs the response to Dr. Maslov's collapse and sends Maggie into isolation. He later checks out of the hotel and is sought by the FBI.

Arc: His public-health response is overtaken by the murder investigation, and he disappears from the scene as a person of interest.

• Maggie Bird — ordered her into isolation
• Dr. Maslov — suspected he had Ebola
• Agent Tanner Minnihan — sought for questioning by the FBI

A young woman Ingrid was assigned to protect at a Provence safe house. She was shot during the attack and bled to death, having betrayed the Russian syndicate after gathering intelligence while embedded with them. Her death is part of the trauma that haunts Ingrid and Rodrigo.

Arc: Dies in the opening attack; her death contributes to the mission to hunt the fifth man.

• Ingrid Slocum — assigned protector
• Rodrigo Estrada — former colleague

Ingrid's dead Agency colleague, killed in Provence with a stiletto through his eye. He had a wife named Vicky and a son whose birthday he recently missed; that son is revealed to be Jon Marcus. His murder is the reason Marcus hunts Hannah Murray.

Arc: Dead before the main story; his death drives Jon Marcus's 28-year vengeance.

• Jon Marcus — son
• Vicky — wife
• Ingrid Slocum — colleague
• Hannah Murray — killer

Ingrid's dead Agency colleague, killed in Provence with his carotid artery severed. He is one of the fallen colleagues Rodrigo and Ingrid invoke when discussing the sacrifices of Agency work.

Arc: Dead before the main story; his murder contributes to the hunt for Hannah.

• Ingrid Slocum — colleague
• Rodrigo Estrada — colleague
• Hannah Murray — killer

A Russian defector living under the alias Willem Dekker in Amsterdam. His apartment is watched by assassins, and Jon Marcus gets him out in time. He is on a dark web kill list of defectors, with six of the eight already dead.

Arc: He survives the assassination attempt and is reported safe after being moved.

• Jon Marcus — protected him
• Maggie Bird — looked for him in Amsterdam
• Lloyd Slocum — looked for him in Amsterdam

Medical examiner who performs Karen O'Brien's autopsy and measures the stiletto. He confirms Jo's identification of the weapon as a thrusting stiletto and notes the killer was quick and efficient.

Arc: No significant arc; his autopsy findings help identify the weapon.

• Jo Thibodeau — works with her during the autopsy
• Karen O'Brien — performed her autopsy

State police detective in charge of Karen O'Brien's homicide investigation. He is irritated that the murder ruined his weekend and treats the case as outside Jo's jurisdiction. He sees Andrei Petrov's disappearance as evidence of guilt.

Arc: Remains skeptical and focuses on Andrei; Jo's pressure does not change his view.

• Jo Thibodeau — local police chief he brushes aside
• Karen O'Brien — victim in his case
• Dr. Wass — medical examiner on the case

Hotel manager at the Cod Cove Resort. He is overwhelmed by the Ebola scare, tells Jo about the security-system outage, and tries to keep the resort running while frightened employees consider quitting.

Arc: No significant arc; he provides key details about the disabled cameras.

• Jo Thibodeau — provides information
• Hannah Murray — his housekeeping employee
• Andrei Petrov — his employee

Purity police officer who alerts Jo to the waiting FBI agent and later reports Maggie's abandoned truck. Jo asks him to wear Kevlar and watch for unusual visitors.

Arc: No significant arc; he supports Jo as the threat escalates.

• Jo Thibodeau — his police chief

Andrei Petrov's new housemate, who knows little about him and tells Jo he had phone conversations in English. She wants the police to leave so she can get to work.

Arc: No significant arc; she confirms Andrei's disappearance.

• Andrei Petrov — housemate
• Jo Thibodeau — questioned by her

Airport manager in Belfast, Maine, who assists Jo in inspecting the abandoned MG and reviewing runway surveillance footage. His footage reveals the Piper Seneca that picked up Ingrid.

Arc: No significant arc; he provides evidence of Ingrid's flight.

• Jo Thibodeau — assists her investigation

A Maine CDC doctor who joins Maggie's medical team in isolation and updates her on Dr. Maslov's condition. He treats Maggie with more humanity than the other masked medical staff.

Arc: No significant arc; he appears during Maggie's quarantine.

• Maggie Bird — patient he evaluates
• Dr. Cornell Stamoran — colleague on the medical team
• Dr. Maslov — critical patient he describes

One of the doctors overseeing Maggie in isolation; he asks about her symptoms and whether Dr. Maslov had food or drink in his room. His questioning helps point toward poisoning.

Arc: No significant arc.

• Maggie Bird — patient under observation
• Dr. Maslov — asks what he consumed before falling ill

A Russian illegal who defected and lived under the name Helen Hoffman in Santa Cruz, California. She died of a stroke two months before the story. Her resemblance to Ingrid causes the Russians to mistake Ingrid for her on a kill list.

Arc: Dead before the story; her identity puts Ingrid in danger.

• Ingrid Slocum — she resembles Lilia, causing mistaken identity

Gordon's wife, mentioned when Ingrid grieves his death. She is not present in the story but is part of the human cost of Gordon's murder.

Arc: No significant arc; she exists only as a mentioned mourner.

• Gordon — husband
• Jon Marcus — mother of Gordon's son

Maggie's former husband, who appears only in her memory. Maggie loved him and felt she betrayed him because of the secrecy in her life. His memory reinforces her fear of keeping secrets from the people she loves.

Arc: No on-page arc; he exists in memory to explain Maggie's caution and guilt.

• Maggie Bird — former husband