นักแสดง
P. J. Soles
Liz
Kelly Mullis
Marybeth
Angus Macfadyen
Operating Assistant (uncredited)
Clint Howard
Jerry
Debra Lamb
Sue
Gregory Scott Cummins
Sidney
William Smith
Dr. Farley
Dawn Wildsmith
Singer, Singer (uncredited)
Tom Reynolds
Man on the Beach
Debra Berger
Dr. O'Neil
Steven Barr
Ray
Lorraine Michaels
Dr. Black, Dr. Black/Dr. Bloch
Jimmy Bridges
Male Cop
Noel De Souza
The Programmer
Hoke Howell
Charlie Stock
Rance Howard
Robert Morrison
Michael Gregory
The Father
Ross Hagen
Buck Cassidy
Russ Tamblyn
Hugh
Amanda Blake
Rosie
Claire Polan
Della Cassidy
Jean Howard
Grace