Jeff Bridges
Kevin Flynn / Clu
Bruce Boxleitner
Alan Bradley / Tron
Michael Sheen
Castor / Zuse
Ron Selmour
Chattering Homeless Man
Dan Joffre
Key Security Guard #1 - Ernie
Darren Dolynski
Young Man on Recognizer
Kofi Yiadom
Disc Opponent #2 / Black Guard
Donnelly Rhodes
Grandpa Flynn
Belinda Montgomery
Grandma Flynn
Owen Best
7 Year Old Sam Flynn
Dean Redman
Light Jet Sentry
Christopher Logan
Nervous Program
Sheldon Yamkovy
Destitute Program
Catherine Lough Haggquist
Reporter #2
Thomas Bradshaw
Security Guard #2
Shafin Karim
East Indian Taxi Driver
Mike Ching
Blue Gaming Program
Michael Teigen
Green Gaming Program
Brent Stait
Purple Gaming Program
Amy Esterle
Young Mrs. Flynn
Cody Laudan
End of the Line Club Bouncer
Jeffrey Nordling
Richard Mackey
Christine Adams
Claire Atkinson
Jack McGee
Police Photographer
Dawn Mander
Crying Program
Michael Logie
Kevin Flynn Performance Double
John Reardon
Young Kevin Flynn / Clu Performance Double
Edie Mirman
Computer Voice (voice)
Allen Jo
Black Guard / Disc Opponent #1
Patrick Sabongui
Gaming Program 1 - S
Will Erichson
Gaming Program 2 - S
Cillian Murphy
Edward Dillinger (uncredited)
Brandon Jay McLaren
Sobel (uncredited)
Thomas Bangalter
Masked DJ
Guy-Manuel de Homem-Christo
Masked DJ
Hugo Steele
End of Line Club Bouncer (uncredited)