John Baxter
Nancy Baxter
Elliot West
Melanie
Harold Caswell
Emma Caswell
Clifford Sanders
Susan Baxter
Lisa
Jeff
Roger (as Pete Kowanko)
Elliot's Assistant (as Rikke Borge)
David Cohler
Dolores (as Josephina Echanove)
Van Driver
Sensory Woman
Maintenance Man (as Paco Pharres)
Dr. West's Crew Member (uncredited)
Parametic (uncredited)
Student (uncredited)