A group of scientists take Simon, a psychology professor, as a test person for a brainwashing experiment and try to convince him that he is a living being from another planet.
Alan Arkin
as Simon Mendelssohn
Madeline Kahn
as Dr. Cynthia Mallory
William Finley
as Fichandler
Wallace Shawn
as Eric Van Dongen
Max Wright
as Leon Hundertwasser
Fred Gwynne
as Maj. Gen. Korey
Austin Pendleton
as Dr. Carl Becker
Judy Graubart
as Lisa
Adolph Green
as Commune Leader
Keith Szarabajka
as Josh
Ann Risley
as Pam
David Susskind
as Himself
