Marc Singer

Character: Paul Ferguson

Tracy Scoggins

Character: Barbara White

Mary Woronov

Character: Dr. Glatman

Irene Miracle

Character: Sarah Ferguson

Jonathan Farwell

Character: Steve Malceno

Tom Poster

Character: Outsider (as Thomas W. Poster)

Don Pugsley

Character: Smith (as Donald Pugsley)

Joseph Hardin

Character: Wesson

Diana James

Character: Belle

John Lafayette

Character: Watson

Tommy Hinkley

Character: Lab Assistant

Keisha

Character: Woman at Motel (as Raquel Rios)

Daryl Haney

Character: Panhandler

Michael McDonald

Character: Animal Rights Activist (uncredited)