Garrett Hedlund

Character: Sam Flynn

Olivia Wilde

Character: Quorra

Jeff Bridges

Character: Kevin Flynn / Clu

Bruce Boxleitner

Character: Alan Bradley / Tron

James Frain

Character: Jarvis

Beau Garrett

Character: Gem

Michael Sheen

Character: Castor / Zuse

Anis Cheurfa

Character: Rinzler

Serinda Swan

Character: Siren #2

Yaya DaCosta

Character: Siren #3

Elizabeth Mathis

Character: Siren #4

Kis Yurij

Character: Half Faced Man

Conrad Coates

Character: Bartik

Thomas Bangalter

Character: Masked DJ

Guy-Manuel de Homem-Christo

Character: Masked DJ

Ron Selmour

Character: Chattering Homeless Man

Dan Joffre

Character: Key Security Guard #1 - Ernie

Darren Dolynski

Character: Young Man on Recognizer

Kofi Yiadom

Character: Disc Opponent #2 / Black Guard

Steven Lisberger

Character: Shaddix

Donnelly Rhodes

Character: Grandpa Flynn

Belinda Montgomery

Character: Grandma Flynn

Owen Best

Character: 7 Year Old Sam Flynn

Matt Ward

Character: Iso Boy

Zoe Fryklund

Character: Iso Girl

Dean Redman

Character: Light Jet Sentry

Mi-Jung Lee

Character: Debra Chung

Christopher Logan

Character: Nervous Program

Sheldon Yamkovy

Character: Destitute Program

Dale Wolfe

Character: Irv Culpepper

Joanne Wilson

Character: Reporter #1

Catherine Lough Haggquist

Character: Reporter #2

Thomas Bradshaw

Character: Security Guard #2

Shafin Karim

Character: East Indian Taxi Driver

Rob Daly

Character: Lead Sentry

Mike Ching

Character: Blue Gaming Program

Michael Teigen

Character: Green Gaming Program

Brent Stait

Character: Purple Gaming Program

Shaw Madson

Character: Reporter #3

Amy Esterle

Character: Young Mrs. Flynn

Cody Laudan

Character: End of the Line Club Bouncer

Jeffrey Nordling

Character: Richard Mackey

Christine Adams

Character: Claire Atkinson

Kate Gajdosik

Character: News Anchor

Jack McGee

Character: Police Photographer

Dawn Mander

Character: Crying Program

Michael Logie

Character: Kevin Flynn Performance Double

John Reardon

Character: Young Kevin Flynn / Clu Performance Double

Edie Mirman

Character: Computer Voice (voice)

Allen Jo

Character: Black Guard / Disc Opponent #1

Aaron Toney

Character: Black Guard

Kim Do Nguyen

Character: Black Guard

Patrick Sabongui

Character: Gaming Program 1 - S

Will Erichson

Character: Gaming Program 2 - S

Cillian Murphy

Character: Edward Dillinger (uncredited)

Brandon Jay McLaren

Character: Sobel (uncredited)

Hugo Steele

Character: End of Line Club Bouncer (uncredited)