Keir Dullea
Thomas Grambell
Marcia Strassman
Lenina Disney
Kristoffer Tabori
John Savage
Dick Anthony Williams
Helmholz Watson
Jonelle Allen
Fanny Crowne
Jeannetta Arnette
Dwightina
Valerie Curtin
Chief Warden Stelina Shell
Tricia O'Neil
Maoina Krupps
Victoria Racimo
Beta Teacher
Lee Chamberlin
Head Nanny Nurse
Sam Chew Jr.
Chief Dispenser
Beatrice Colen
Gamma Female
Jeff Doucette
Cosmetization Technician
Carole Mallory
Miss Trotsky
DeeDee Rescher
Neighbor Woman
Murray Salem
Chief Engineer
Jonathan Segal
Chem-O Technician
Caroline Smith
Rona DeMille
Nigel Bullard
Plant Manager
Robert Chapel
Delta Operator
Aron Kincaid
J. Edgar Millhouse
Esther McCarroll
3rd Reporter
Nicholas Savalas
Benito Hoover
Casey Biggs
Beta Lighthouse Guard
Tara Buckman
Alpha Teacher
Shane Butterworth
Younger John as a Boy
Peter Elbling
Darwin Bonaparte
Delia Salvi
High Priestess
Marneen Fields
Factory Worker (uncredited)
Leslie Hoffman
Soma Taker (uncredited)
Delos V. Smith Jr.
(uncredited)