The Housemaid's Secret Characters
by Freida McFadden

This novel has a messy, twisted cast where nearly everyone is hiding something. Millie Calloway anchors the story as an ex-prisoner turned housekeeper who carries secrets of her own, but she is surrounded by wealthy manipulators, grieving spouses, and old flames who keep her life spinning out of control. The supporting players range from cops and professors to jealous employers and suspicious neighbors, each adding pressure to Millie's already complicated existence. Here you will find each character's role in the story, a quick description, and how they connect to Millie or the Garrick household. You will also get a sense of their arcs, from Wendy's scheming to Enzo's quiet protection, without spoiling where everything lands.
Main Characters
Millie Calloway
ProtagonistMillie Calloway, also called Wilhelmina Calloway, is an ex-prison inmate who works as a housekeeper and attends community college, hoping to become a social worker. She hides her criminal record from her boyfriend Brock and has a history of helping women escape abusive relationships. Resourceful, guarded, and capable of violence, she is the first-person narrator of most of the story.
Arc: Millie takes the Garrick job to stay afloat, tries to rescue Wendy, shoots the man she believes is Douglas, and becomes the prime murder suspect. With Enzo's help she identifies the real plot, is cleared by hidden-camera footage, reconciles with Enzo, and secretly gives Marybeth the digoxin that kills Wendy.
- Wendy Garrick — the woman she tried to help and who framed her for murder
- Douglas Garrick — the man she was accused of murdering
- Russell Simonds — the man posing as Douglas whom she shot with a blank
- Brock Cunningham — her boyfriend and lawyer, who breaks up with her
- Enzo Accardi — her former partner and eventual boyfriend
- Marybeth Simonds — the woman she secretly supplies with digoxin
- Amber Degraw — former employer who fired her
- Olive — Amber's baby, who calls her 'Mama'
- Xavier Marin — the neighbor who assaulted her
Wendy Garrick
AntagonistWendy is Douglas Garrick's wife, a social climber who grew up poor and married for wealth and security. She has an affair with Russell Simonds, fakes signs of abuse to manipulate Millie, and murders Douglas when he threatens to take away her fortune. In the final cabin confrontation, she is poisoned by Marybeth.
Arc: Wendy goes from scheming wife to murderer and framer of Millie. After thinking she has escaped justice, she learns Douglas disinherited her, watches Russell die, and dies after being forced to write a confession.
- Douglas Garrick — her husband, whom she murders
- Russell Simonds — her lover and accomplice
- Millie Calloway — the housekeeper she frames
- Marybeth Simonds — the woman who kills her
- Joe Bendeck — Douglas's lawyer, who tells her she inherits nothing
- Audrey — her friend, who tells her about Millie
Russell Simonds
AntagonistRussell is a furniture-store owner, Marybeth's husband, and Wendy's lover. He helps Wendy stage fake abuse by impersonating Douglas and is shot by Millie with a blank during the scheme. Later, when asked to kill the real Douglas, he loses his nerve and is ultimately killed by Marybeth.
Arc: Russell moves from willing accomplice and lover to a guilt-ridden, panic-stricken man. After Douglas's murder, Marybeth finds him at the cabin and slits his throat.
- Wendy Garrick — his lover and co-conspirator
- Marybeth Simonds — his wife, who murders him
- Douglas Garrick — the man he helps Wendy kill
- Millie Calloway — the woman who shoots him while he is pretending to be Douglas
Xavier Marin
AntagonistXavier is Millie's downstairs neighbor in the Bronx who makes her feel watched and uncomfortable. He follows her to her floor, grabs her, and tries to force her into her apartment; she maces him, pushes him down the stairs, and kicks him. He is later arrested for heroin possession and jailed, reportedly because of Enzo.
Arc: Xavier starts as a predator who attacks Millie and tells police she attacked him. After being released from the hospital, he is arrested on drug charges and ends up imprisoned.
- Millie Calloway — the neighbor he assaults
- Enzo Accardi — the man who made sure he could no longer bother Millie
- Officer Scavo — the officer who relays his account to police
Supporting Characters
Douglas Garrick
SupportingDouglas Garrick is the real wealthy husband whose identity Russell Simonds uses to deceive Millie. He loves Wendy, agrees to a prenup under pressure from Joe, and later discovers her affair through hidden cameras. When he tries to reconcile and give his money to charity, Wendy shoots him.
Arc: Douglas changes from a trusting husband to a betrayed man who cuts Wendy off, then attempts a fresh start. His attempt to give away his fortune leads directly to his murder.
- Wendy Garrick — his wife, who shoots and kills him
- Russell Simonds — his wife's lover and co-conspirator in his death
- Joe Bendeck — his lawyer and closest friend
- Marybeth Simonds — his secretary and friend
- Millie Calloway — the woman falsely accused of his murder
Enzo Accardi
SupportingEnzo is Millie's former boyfriend and former partner in helping abused women escape dangerous men. He returns as the driver of the black Mazda following Millie, revealing he has been her secret bodyguard and that he made sure Xavier went to prison. He helps Millie investigate Russell and later moves in with her.
Arc: Enzo re-enters Millie's life as a protector, becomes her romantic partner again, and stands by her through the murder investigation. He tries to stop her from going to the cabin and ultimately lives with her after she is cleared.
- Millie Calloway — his former partner and current girlfriend
- Xavier Marin — the man he made sure went to prison
- Brock Cunningham — Millie's ex-boyfriend, whom he dismisses as 'Broccoli'
Brock Cunningham
SupportingBrock is Millie's boyfriend of six months and a lawyer who wants to settle down because of his heart condition and uncertain life expectancy. He urges Millie to move in with him, offers her a job at his firm, and initially acts as her lawyer. After learning about her prison record, he refuses to represent her and breaks up with her.
Arc: Brock begins as a loving but pushy boyfriend and ends as a disillusioned ex. He later apologizes for abandoning Millie and returns to collect his belongings from her apartment.
- Millie Calloway — his former girlfriend and client
- Detective Ramirez — the detective interrogating Millie while Brock is her lawyer
Marybeth Simonds
SupportingMarybeth is Russell's wife and Douglas's longtime secretary, described as nearly family to Douglas. She discovers Wendy's affair with Russell, kills Russell, and then confronts Wendy at the lake cabin. At knifepoint she forces Wendy to confess and poisons Wendy's wine with digoxin, which Millie had secretly supplied.
Arc: Marybeth transforms from a background figure into an avenger, eliminating both her husband and his lover. She is the instrument through which Millie's final plan succeeds.
- Russell Simonds — her husband, whom she murders
- Wendy Garrick — her husband's mistress, whom she poisons
- Douglas Garrick — her employer and friend
- Millie Calloway — the woman who supplies the digoxin
Joe Bendeck
SupportingJoe is Douglas's lawyer and oldest closest friend. He pressures Douglas into requiring a prenup and later explains the terms to Wendy. After Douglas's death, he serves as executor and tells Wendy that Douglas changed his will to leave everything to charity.
Arc: Joe remains Douglas's protector throughout, from the prenup to the will, and is the one who delivers the news that Wendy has been disinherited.
- Douglas Garrick — his client and best friend
- Wendy Garrick — the woman he distrusts and later tells she inherits nothing
Detective Ramirez
SupportingDetective Ramirez is the NYPD detective investigating Douglas Garrick's murder. He questions Millie, presents evidence of an alleged affair, and eventually releases her while telling her not to leave town. In the aftermath, he clears Millie based on security-camera footage and Wendy's suicide note.
Arc: Ramirez initially treats Millie as the prime suspect but later apologizes, calls her a hero, and gives her his card after new evidence exonerates her.
- Millie Calloway — the suspect he later clears
- Wendy Garrick — the widow he questions and who accuses Millie
- Douglas Garrick — the murder victim whose case he investigates
- Brock Cunningham — Millie's lawyer during the interrogation
Amber Degraw
SupportingAmber is a wealthy mother who employs Millie as a housekeeper and babysitter. She becomes enraged when her baby Olive calls Millie 'Mama' and fires Millie on the spot without a reference. She later encounters Millie again, with Olive again calling Millie 'mama.'
Arc: Amber does not meaningfully change; she remains possessive of Olive and resentful toward Millie.
- Olive — her daughter
- Millie Calloway — the housekeeper she fires
Olive
SupportingOlive is Amber Degraw's nine-month-old daughter. She bonds with Millie, lifts her arms to be picked up, and calls Millie 'Mama.' Her innocent attachment to Millie causes Amber to fire Millie.
Arc: Olive does not change; she remains a baby who recognizes Millie and cries for her.
- Amber Degraw — her mother
- Millie Calloway — the caregiver she calls 'Mama'
Officer Scavo
SupportingOfficer Scavo is the police officer who questions Millie after Xavier's attack. He suggests Millie may have misread Xavier's intentions and notes that a witness saw her kicking Xavier and that she has a prison record. He later tells her Xavier will not press charges and advises anger counseling.
Arc: Scavo remains skeptical of Millie throughout the Xavier investigation and does not change his view of her.
- Millie Calloway — the woman he interrogates
- Xavier Marin — the man whose version of events he relays
Professor Kindred
SupportingProfessor Kindred, also called Dr. Kindred, is Millie's psychology professor. His lectures on the Kitty Genovese case and the Josh Bell subway experiment prompt Millie to reflect on the bystander effect and moral responsibility.
Arc: Professor Kindred does not change; he serves as an intellectual catalyst for Millie's decision not to look away from Wendy's suffering.
- Millie Calloway — his student
Lisa
SupportingLisa is a representative from Jobmatch who calls Millie to say that her American Express card was declined. She tells Millie that the housekeeper ad never went live because payment was never received.
Arc: Lisa does not change; her call provides Millie with the clue that someone contacted her unsolicited.
- Millie Calloway — a Jobmatch client whose ad never ran
Ginger Howell
SupportingGinger Howell is a woman Millie previously helped find a divorce lawyer. She does not appear directly, but Wendy says Ginger gave her Millie's number, which allowed Wendy to arrange for Millie to be hired.
Arc: Ginger does not appear and does not change; she is only mentioned as the source of Wendy's connection to Millie.
- Wendy Garrick — the woman to whom she gave Millie's number
- Millie Calloway — a woman she recommended
Fiona
SupportingFiona is Wendy's old college friend who owns a farm outside Potsdam. When Wendy says she almost killed herself, she agrees to offer the farm as a refuge. Douglas later finds Wendy there and brings her back.
Arc: Fiona does not appear directly; she only agrees to shelter Wendy and then loses her when Douglas retrieves her.
- Wendy Garrick — her old college friend
Audrey
SupportingAudrey is Wendy's friend and lunch companion. She shares gossip about Millie's reputation for helping abused women, mentions Ginger Howell, and recommends a fertility specialist to Wendy.
Arc: Audrey does not change; her gossip plants the idea in Wendy's mind that Millie can be manipulated.
- Wendy Garrick — her friend and lunch companion
Tammy
SupportingTammy is the realtor who shows Wendy and Douglas the penthouse. She enthusiastically encourages the deal and notes that the price has been slashed.
Arc: Tammy does not change; she is a minor figure who helps the Garricks acquire the penthouse.
- Wendy Garrick — the prospective buyer she shows the apartment to
- Douglas Garrick — the prospective buyer she shows the apartment to
Mrs. Randall
SupportingMrs. Randall is Millie's landlady. After the police search Millie's apartment, she tells Millie she has one week to move out because she does not want more trouble in her building.
Arc: Mrs. Randall does not change; she evicts Millie and does not give her another chance.
- Millie Calloway — her tenant, whom she evicts
Nina Winchester
SupportingNina is the wife in the Winchester household depicted in the closing scenes. She makes deliberate messes for the narrator to clean, tells strange lies about her daughter, and discovers that the narrator tried on one of her white dresses.
Arc: Nina does not change within the brief closing scenes; she exposes the narrator's transgression and looms as a threatening presence.
- Andrew Winchester — her husband
Andrew Winchester
SupportingAndrew is Nina's husband in the closing Winchester scenes. He appears more broken every day, with handsome brown eyes full of pain, while the narrator observes the household.
Arc: Andrew shows no personal change beyond his continuing deterioration; he remains a suffering figure.
- Nina Winchester — his wife