Created by Megan Gallagher.
All Her Fault premiered on November 6, 2025.
All Her Fault is distributed by Peacock, NBCUniversal’s streaming platform.
All Her Fault (TV Series) Review
All Her Fault is a simple but gripping mystery about a mother whose young son goes missing after a playdate.
The show follows Marissa, played by Sarah Snook, as she desperately searches for answers while discovering that the people around her are hiding more than she ever imagined.
Instead of nonstop action, the series builds slow, steady tension, making you feel every bit of her fear and confusion.
The supporting cast helps deepen the story, with each character adding a clue, a secret or a twist.
While a few moments feel familiar, the strong acting and emotional storytelling make the series easy to follow and hard to stop watching.
If you like mysteries about family secrets, missing children and uncovering the truth piece by piece, All Her Fault is a straightforward, tense and very watchable drama.
CR Rating – 7.7/10
All Her Fault Actors
Sarah Snook as Marissa Irvine
DOB: December 1, 1987.
Bio: Australian actor Sarah Snook rose to prominence through acclaimed stage work and Australian cinema before achieving international recognition as Shiv Roy in HBO’s Succession.
Snook seamlessly balances theatrical intensity with subtle, interior performances and has expanded into producing and major stage projects in recent years.
Role: Marissa Irvine is a self-made wealth manager and the series’ emotional and moral center.
Her life is upended when her son Milo goes missing after a playdate, setting off a tense, morally complex investigation.
Episodes: 8 eps.
Interesting facts: Snook serves as an executive producer on the series and recently won acclaim for a one-woman stage production, showcasing her theatrical depth
Notable Works: Succession, Predestination, The Dressmaker, stage work including The Picture of Dorian Gray.
Jake Lacy as Peter Irvine
DOB: February 14, 1986.
Bio: American actor Jake Lacy built a career in TV comedy and drama (from The Office to The White Lotus), often playing amiable or morally ambiguous men.
Lacy is adept at balancing charm, subtle humor, and slow-burning dramatic tension, making him versatile across genres.
Role: Peter Irvine is Marissa’s husband and a commodities trader whose hidden past, personal secrets, and professional choices gradually surface, adding layers of intrigue to the series.
His polished public persona contrasts with private fractures, driving tension and slowly unraveling the family dynamic as the investigation into their son intensifies.
Episodes: 7 eps.
Interesting facts: This role represents one of Lacy’s more dramatic turns after years in comedy, showcasing his capacity for suspenseful, morally intricate storytelling.
Notable Works: The Office, Girls, The White Lotus, Apples Never Fall.
Sophia Lillis as Carrie Finch
DOB: February 13, 2002.
Bio: American actor Sophia Lillis rose to prominence with her breakout role in It (2017) and further cemented her talent in I Am Not Okay With This.
She is known for portraying vulnerable, emotionally layered teenagers whose internal conflicts and hidden motivations make her performances compelling.
Role: Carrie Finch is the Irvine family’s nanny and the central figure under suspicion for the disappearance of Milo.
As the series unfolds, her backstory and motivations are teased out, complicating a simple villain narrative.
Episodes: 6 eps.
Interesting facts: Lillis brings an indie-horror sensibility to the role that helps the show balance domestic realism with psychological fray.
Notable Works: It, It: Chapter Two, Gretel & Hansel, I Am Not Okay With This.
Abby Elliott as Lia Irvine
DOB: June 16, 1987.
Bio: American actor and comedian Abby Elliott trained in improv at the Upright Citizens Brigade and gained national recognition as a cast member on Saturday Night Live.
She has since expanded into dramatic and supporting roles, showing an ability to balance sharp comic timing with emotional depth.
Role: Lia Irvine is Peter’s sister, a recovering addict whose vulnerabilities, past mistakes, and impulsive choices create tension and scrutiny within the Irvine household during the investigation into Milo’s disappearance.
Her struggles illuminate family fractures and add moral complexity to the series’ domestic suspense.
Episodes: 7 eps.
Interesting facts: Elliott’s extensive background in improv and sketch comedy allows her to bring nuanced timing and subtle humor even in intense, dramatic moments.
Notable Works: Saturday Night Live, The Bear (supporting), Indebted.
Jay Ellis as Colin Dobbs
DOB: December 27, 1981.
Bio: American actor Jay Ellis rose to prominence with Insecure and has since expanded into both action and prestige film/TV projects, including Top Gun: Maverick.
He often plays characters whose loyalty and judgment are tested under pressure.
Role: Colin Dobbs is Marissa’s best friend and business partner, a dependable, loyal, yet morally layered presence.
As the Irvine family crisis unfolds, Colin becomes enmeshed in the domestic and ethical tensions surrounding Milo’s disappearance.
Episodes: 7 eps.
Interesting facts: Ellis has engaged in socially conscious projects through producing and podcasting.
Notable Works: Insecure, Escape Room, Top Gun: Maverick.
Daniel Monks as Brian Irvine
DOB: N/A.
Bio: Australian actor and writer Daniel Monks is an award-nominated performer recognized for stage and screen work.
He is celebrated for bringing authenticity, emotional depth, and lived experience to his roles, particularly in portraying disabled characters with nuance and complexity.
Role: Brian Irvine is the younger brother in the Irvine family, living with a disability and working as a day trader.
His storyline adds layers of family tension, moral reflection, and commentary on care, dependence, and vulnerability under pressure.
Episodes: 7 eps.
Interesting facts: Monks is an advocate for accessibility and representation in the arts, using his platform to highlight inclusive storytelling.
Notable Works: Pulse (writer/actor), acclaimed stage work and award nominations in Australia/theatre circuits.
Duke McCloud as Milo Irvine
DOB: N/A.
Bio: Duke McCloud is a young child actor whose early work includes short films and supporting roles.
Despite limited screen time, McCloud conveys a natural presence that anchors the story’s emotional core.
Role: Milo Irvine is the Irvines’ five-year-old son.
His on-screen appearances are brief, mostly in early sequences or flashbacks, but his absence shapes the actions and emotional states of every adult character.
Episodes: 7 eps.
Interesting facts: Milo is central to the series’ dramatic tension; his character primarily drives narrative and emotional beats, highlighting the adults’ moral choices and anxieties.
Notable Works: All Her Fault (breakthrough).
Dakota Fanning as Jenny Kaminski
DOB: February 23, 1994.
Bio: Dakota Fanning transitioned from a celebrated child star to a versatile adult actor with a career spanning indie dramas, prestige TV, and blockbuster films.
She is known for her precise, controlled performances, often bringing quiet intensity and emotional subtlety to complex roles.
Role: Jenny Kaminski is a fellow mother whose son was involved in the playdate with Milo.
She becomes Marissa’s unlikely ally and confidante while simultaneously managing her responsibilities as head of marketing at Marissa’s company.
Episodes: 7 eps.
Interesting facts: Fanning’s casting was highlighted in previews as a major draw; her mature presence helps ground the show’s social and corporate strands.
Notable Works: I Am Sam, War of the Worlds, The Alienist, The Equalizer 3.
Michael Peña as Detective Alcaras
DOB: January 13, 1976.
Bio: American actor known for bringing authenticity, intelligence, and grounded energy to a wide range of roles, including dramatic, comedic, and action-oriented projects.
He is particularly recognized for portraying working-class, morally nuanced characters, often in law enforcement or complex supporting roles.
Role: Detective Alcaras is the lead investigator assigned to Milo’s disappearance.
He is pragmatic, perceptive, and morally centered, yet the high stakes and public scrutiny push him into moments of doubt and ethical tension.
Episodes: 8 eps.
Interesting facts: Peña’s casting was positioned to bring both star power and a world-worn authority to the police side of the story.
Notable Works: Crash, Ant-Man, Narcos: Mexico, End of Watch, The Martian.
Thomas Cocquerel as Richie Kaminski
DOB: September 5, 1989.
Bio: Australian actor who transitioned from indie films to international television and streaming roles.
He has built a reputation for portraying complex, morally layered characters, often men navigating personal, familial, or professional tension.
Role: Richie Kaminski is Jenny’s husband and a high school teacher.
His character adds domestic nuance to the series, balancing marriage dynamics, parental responsibilities, and interactions with the Irvine family.
Episodes: 6 eps.
Interesting facts: Cocquerel has experience in both American and Australian productions, adapting fluidly to roles that explore morally ambiguous or conflicted men.
Notable Works: The Gilded Age, In Like Flynn, Escape Room 2 casting.
Melanie Vallejo as Sarah Larsen
DOB: October 27, 1979.
Bio: Australian actor celebrated for her versatility and emotional range in both drama and genre work.
She first gained recognition in series like Power Rangers Mystic Force and later showcased her depth in ensemble dramas such as Winners & Losers.
Role: Sarah Larsen is a parent representative at the school where Milo’s disappearance occurs.
While a smaller role, her character provides insight into the social politics, parental pressures, and community dynamics surrounding the crisis.
Episodes: 4 eps.
Interesting facts: Vallejo is widely respected in Australian television and film and brings cultural authenticity to productions filmed in Melbourne, even when standing in for U.S. settings.
Notable Works: Power Rangers Mystic Force, Winners & Losers, Upgrade.
Tayden Jax Ryan as Jacob Kaminski
DOB: N/A.
Bio: Tayden Jax Ryan is an emerging child actor whose first major TV credit is in All Her Fault.
He brings natural presence and emotional authenticity to small but pivotal roles, helping anchor high-stakes drama in relatable, human moments.
Role: Jacob Kaminski is the young son of Jenny and Richie Kaminski.
As Milo’s playdate friend, Jacob’s presence at the Kaminski household places him at the center of the missing-child investigation.
Episodes: 7 eps.
Interesting facts: As a child performer in a prestige drama, Tayden’s role requires emotional restraint and precise staging to keep the mystery believable.
Notable Works: All Her Fault (first major TV credit).
More Actors
• Kartiah Vergara as Ana Garcia (Irvine family’s nanny).
• Joey Vieira as Victor Beran (stay-at-home dad).
• Laura Brent as Aimee Babich.
• Johnny Carr as Detective Greco (Alcaras’ partner).
• Orlando Ivanović as Sam Alcaras (Detective Alcaras’ son).
FAQ – All Her Fault TV Series
What is All Her Fault about?
A tense mystery thriller about Marissa Irvine (Sarah Snook), whose life unravels when her young son disappears after a play date, the show peels back family secrets, privilege and suspicion as the investigation unfolds.
Is All Her Fault based on a book?
Yes, it’s adapted from the novel All Her Fault by Andrea Mara
How many episodes are in Season 1?
Season 1 is an eight-episode limited run.
Will there be a Season 2?
No official renewal has been announced.
The showrunner has said she’s open to continuing the story or exploring an anthology approach, but as of now Season 2 is unconfirmed. More on People
Where can I stream All Her Fault?
The series is available to stream on Peacock.
Conclusion
All Her Fault is a tense psychological thriller about a mother whose world unravels after her son mysteriously disappears from a neighbor’s house.
The series mixes emotional drama, suspicion and sharp twists, with Sarah Snook delivering a standout performance.
It’s a gripping, well-paced mystery that keeps you guessing until the end.