Distribution principale
Leonard Nimoy
Dr. Richard Connought
Penelope Milford
Kathy Morris
Christopher Allport
Larry
Fredric Lehne
Patrick Morris
Linda Miller
Lili Connought
Arthur Rosenberg
Dr. Ross
Hal Frederick
Dr. Luddy
Lloyd Kino
Dr. Quong
Gay Rowan
Dr. Beale
Steven Peterman
Dr. Clark
Nicholas Guest
Dr. Ames
Jonathan Estrin
Mr. Wilcox
