Mike Barrett
Wayne Maunder
Maggie Russell
Marianne McAndrew
Sheri Moore
Yvonne D'Angers
Anna Lou White
Jan Shutan
Christian Leroux
Alexander D'Arcy
Paul Van Fleet
Berry Kroeger
Officer Iverson
Charles Napier
Yerkes' Girlfriend
Shawn Devereaux
Wolfman Jack
Howard Moore
John Lawrence
Olin Adams
Cal Bartlett
Dr. Roger Trimble
Stuart Lancaster
Elmo Duncan
Philip Carey
Detective
Patrick Wright
Librarian
Lillian Lehman
Fremont's Girlfriend
Judith Baldwin
Woman with Gorilla (uncredited)
Uschi Digard
Juror (uncredited)
Sally Marr
Olivia St. Clair
Kay Peters
Jerry Griffith
John Sarno
Avis
Lynn Hamilton
Father Sarfatti
Richard Angarola
Luther Yerkes
Jay C. Flippen
Faye Osborn
Edy Williams
Constance Cumberland
Yvonne De Carlo
Sean O'Flanagan
John Carradine
Judge Upshaw
Harold J. Stone
Phil Sanford
Tom Selleck
Irwin Blair
Stanley Adams
Director
Russ Meyer
Producer
Novel
Irving Wallace
Director of Photography
Fred Mandl
Editor
Dick Wormell
Original Music Composer
Stu Phillips
Screenplay
Richard Warren Lewis