Joe Don Baker
— Dick Harbinger
Stella Stevens
— Mrs. Doctor Graves
George Kennedy
— Mr. Doctor Graves
Julia Duffy
— Mary Graves
Scott McGinnis
— Norman Bates
E. G. Daily
— Bambi
Michele Tobin
— Rosie
Andrew Dice Clay
— Tony Schlongini
Anthony James
— Zeke
Sonny Carl Davis
— Weirdo
David Drucker
— The Looney
Jeff Altman
— Harry Palms
Victor Brandt
— Dr. Moreau
Charles Napier
— Chief O'Hara
Darby Hinton
— Rookie Cop
Jacqulin Cole
— Librarian
Helen Martin
— Harbinger's Mother
Katina Garner
— Woman in Massage Parlor
Erin Halligan
— Gorgeous Young Girl
Wil Albert
— Dr. Denton
Michael Lee Gogin
— Damien
Claudia Lonow
— Pam Graves
Tamar Howard
— Little Mary
Ben Hartigan
— Doctor
John Avery
— Danny
Toni Sawyer
— Rosie's Mother
Lou Felder
— Rosie's Father
Al Nalbandian
— Dale
Laura Dashosh
— Wandering Jew
Fred D. Scott
— Harbinger's Father