Browse Vault-Tec.com’s Fallout actor profiles and jump directly from each performer to the character they play. The index prioritizes recurring and story-significant roles that can support substantial pages.
Ella Purnell
as Lucy MacLean
As Lucy, Purnell has to make optimism feel like a worldview rather than a punchline. Her performance works because Lucy does not simply become tougher as the wasteland gets worse.…
Aaron Moten
as Maximus
Moten plays Maximus as someone who desperately wants the certainty promised by institutions while repeatedly discovering that institutions are run by frightened, ambitious people. The humor comes from Maximus trying…
Walton Goggins
Fallout gives Goggins two versions of the same man. Pre-war Cooper is a recognizable movie star and family man whose confidence is being eroded by what he learns. The Ghoul…
Moisés Arias
as Norm MacLean
Norm begins as the sibling least interested in Vault 33’s rituals, which makes his skepticism unusually valuable. Arias plays him with dry restraint, allowing curiosity to become courage almost by…
Frances Turner
as Barb Howard
Barb has to be convincing both as Cooper’s partner and as a senior Vault-Tec figure capable of defending choices that horrify him. Turner avoids playing her as a one-note corporate…
Kyle MacLachlan
as Hank MacLean
Hank initially fits the image of a competent, affectionate vault overseer. MacLachlan lets that image survive even after the audience learns what Hank has done, which makes later scenes uncomfortable…
Leslie Uggams
Betty’s warmth is part of her authority. Uggams gives the overseer an ease that makes her feel familiar to Vault 33 residents, while the series gradually asks viewers to reconsider…
Dave Register
as Chet
Chet is funny because he is recognizably human in a community built around stiff rules and cheerful ceremony. Register keeps the comedy grounded, which gives later suspicions and loyalties more…
Rodrigo Luzzi
as Reg McPhee
Reg often appears inside the vault’s civic machinery, where meetings and procedures are treated with almost comic seriousness. Luzzi gives those scenes enough sincerity that the bureaucracy feels lived in…
Leer Leary
as Davey
Davey is part of the background social fabric that makes Vault 33 and Vault 32 function as communities instead of sets populated only when a lead character walks in. Leary’s…
Johnny Pemberton
as Thaddeus
Thaddeus enters as a bully inside the Brotherhood hierarchy, then becomes increasingly vulnerable once the same institution stops protecting him. Pemberton’s nervous energy turns that reversal into comedy and sympathy…
Annabel O'Hagan
Stephanie can be cheerful, practical and unnerving in the same scene. O’Hagan makes that mixture feel intentional, allowing the character’s social confidence to read differently as more of her history…
Sarita Choudhury
as Lee Moldaver / Kate Williams
Moldaver is first presented through other people’s fear and suspicion, then recontextualized as the story reveals Kate Williams and her opposition to Vault-Tec. Choudhury plays those layers without losing the…
Zach Cherry
as Woody Thomas
Woody’s humor comes from taking civic procedure seriously even when the situation around him is absurd. Cherry’s restrained delivery makes the character useful both as comic texture and as an…
Michael Cristofer
Quintus speaks with the calm certainty of someone who believes hierarchy is a moral fact. Cristofer gives the Brotherhood leader a ceremonial gravity that makes ambition sound like doctrine.
Teagan Meredith
as Janey Howard
Janey is seen largely through Cooper’s memory, which means the role has to establish warmth and trust quickly. Meredith’s scenes give the pre-war storyline a personal stake that survives long…
Michael Esper
as Bud Askins / Brain-on-a-Roomba
Bud is funny because he never stops sounding like management. Even after the story reveals the grotesque physical form of his post-war existence, his language remains full of programs, talent…
Amir Carr
Young Maximus appears at the point where the character’s worldview is formed. Carr’s quiet reactions during the destruction of Shady Sands give later Brotherhood scenes an emotional foundation without requiring…
Rachel Marsh
as Claudia
Claudia begins as one of the thawed Vault-Tec employees, but her continued presence gives Norm someone specific to react to as the group moves from corporate conditioning into the actual…
Xelia Mendes-Jones
as Dane
Dane is more observant than the rigid Brotherhood environment initially suggests. Mendes-Jones gives the character a guarded quality that makes each decision feel considered rather than merely reactive.
Jon Daly
The Snake Oil Salesman is a compact demonstration of Fallout’s comic tone: ridiculous salesmanship can sit next to real danger without either element canceling the other. Daly leans into the…
Justin Theroux
as Robert House
Theroux plays House as controlled rather than flamboyant. The character’s intelligence is presented through the way he frames choices and withholds information, which suits a man whose influence extends across…
Macaulay Culkin
The Lacerta Legate is theatrical, dangerous and shaped by a faction that treats historical imitation as political destiny. Culkin’s dry delivery makes the character’s ideology feel stranger because he rarely…
Kumail Nanjiani
Harkness arrives with the institutional confidence of someone who believes his chapter has the stronger claim to authority. Nanjiani makes the character’s polished certainty a useful contrast to Maximus and…