Tye Sheridan
Parzival / Wade

Olivia Cooke
Art3mis / Samantha

Ben Mendelsohn
Sorrento

Lena Waithe
Aech / Helen

T.J. Miller
I-R0k (voice)

Simon Pegg
Curator / Ogden Morrow

Mark Rylance
Anorak / Halliday

Philip Zhao
Sho

Win Morisaki
Daito

Hannah John-Kamen
F'Nale Zandor

Ralph Ineson
Rick

Susan Lynch
Alice

Clare Higgins
Mrs. Gilmore

Laurence Spellman
Lame Tattoo Guy (Reb)

Perdita Weeks
Kira

Joel MacCormack
Sixer #6655

Kit Connor
Reb Kid

Leo Heller
Reb Kid

Antonio Mattera
Reb Kid

Ronkẹ Adékoluẹjo
Sorrento's Assistant

Gareth Mason
Chubby Guy

Sandra Dickinson
Old Boxing Woman

Lynne Wilmot
Pole Dancer

Jayden Fowora-Knight
Boy Playing Tennis

Mark Stanley
Old Zombie Woman

Gemma Refoufi
Pretty Naked Girl Body Double

Jane Leaney
Queen of Cats / Bathroom Zombie / Mocap Core Cast

Elliot Barnes-Worrell
Sixer #1

Asan N'Jie
Sixer #5 (Last Sixer)

Robert Gilbert
Andrew (Sorrento's Head of Security)

Stephen Mitchell
Police Officer

Letitia Wright
Reb (Safe House)

Kae Alexander
Reb (Safe House)

Joshua Archer
Mocap Core Cast / Sixer Instructor

Avye Leventis
Mocap Core Cast / Female Sixer #2

Dean Street
Mocap Core Cast

Michael Wildman
Sixer Drill Instructor

Turlough Convery
Chief Oology Expert

Joe Hurst
Oology Expert

Eric Sigmundsson
Oology Expert

James Dryden
Oology Expert

Danielle Phillips
Oology Expert

Rona Morison
Oology Expert

Khalil Madovi
Oology Expert

Bruce Lester-Johnson
IOI Board Member

Tom Turner
IOI Board Member

Paul Barnhill
Sorrento's Man

Isaac Andrews
Halliday 7 Years Old

Maeve Bluebell Wells
Female Sixer #1

Neet Mohan
Snacks (Bootsuit Commercial)

Georgie Farmer
Kid (Bootsuit Commercial)

Kathryn Wilder
Female Gamer (Bootsuit Commercial)

Sid Sagar
Regular Guy (Bootsuit Commercial)

David Forman
Hong Kong Businessman

Ian Davies
Police Officer (Stacks Explosion)

Lulu Wilson
Elementary Kid

Adolfo Álvarez
Elementary Kid

Alonso Alvarez
Elementary Kid

Jadah Marie
Elementary Kid

Dallas Dupree Young
Elementary Kid

Mckenna Grace
Elementary Kid

Arianna Jaffier
High School Kid

Armani Jackson
High School Kid

Britain Dalton
High School Kid

Jacob Bertrand
High School Kid

Daniel Zolghadri
High School Kid

Sydney Brower
Girl in Bedroom at House

Cara Pifko
Leslee

Vic Chao
Goro

Cara Theobold
Tracer

Daniel Eghan
Corporate Businessman (uncredited)

Julia Nickson
JN / Commuter (uncredited)

Kiera Bell
IOI Staff (uncredited)

Samantha Russell
Player (uncredited)

Violet McGraw
Shopping Cart Kid (uncredited)

Amy Clare Beales
Shop Staff (uncredited)

Racheal Ofori
Beautiful Woman (uncredited)

Jaeden Bettencourt
Soccer Player (uncredited)

Juan Carlos Cantu
Bus Passenger (uncredited)

Annarie Boor
Sixer (uncredited)

Mandy June Turpin
Actor (uncredited)