Eddie Albert
— Winston
Lorne Greene
— O'Brien
Norma Crane
— Julia
Noel Leslie
— Charrington
Truman Smith
— Parsons
Midge Donaldson
— Female Telescreen Voice (voice)
Robert Culp
— Male Telescreen Voice (voice)
Victor Thorley
— Cassandra
Peter A. Ostroff
— Syme
Janice Mars
— Singer
Susan Hallaran
— Selina
Fred J. Scollay
— Man in Cell
Vincent Vanlynn
— Prison Officer
Don Hollenbeck
— Narrator (voice)