cast
- Jeff Corey
- Dean Harrington
- Peter O'Toole
- Dr. Harry Wolper
- John Dehner
- Paul
- Mariel Hemingway
- Meli
- Ellen Geer
- Mrs. Spencer
- Vincent Spano
- Boris
- Virginia Madsen
- Barbara Spencer
- David Ogden Stiers
- Sid Kuhlenbeck
- Rance Howard
- Mr. Spencer
- Lee Kessler
- Mrs. Pruitt
- Karen Kopins
- Lucy Wolper
- Elsa Raven
- Mrs. Mallory
- Kenneth Tigar
- Pavlo
- Ian Wolfe
- Prof. Brauer
- Doug Cox
- Arthur
- Eve McVeagh
- Woman with Monkey
- Jordan Charney
- Dr. Whitaker
- Burton Collins
- Lyman
- Crawford Binion
- Fred
- Michael McGrady
- Larry
- William H. Bassett
- Dr. Sutter
- Sandy Ignon
- Dr. Franklin
- Judith Hansen
- Karen
- Mike Jolly
- Boom-Boom
- Michael Greene
- Guard
- Byrne Piven
- Krauss
- Anthony Peck
- Norman
- Al Fann
- Guard
- Vincent Cobb
- Hamberg
- Gary Bayer
- Bovi
crew
- Ivan Passer
- Director
- Charles B. Mulvehill
- Producer
- Stephen Friedman
- Producer
- Jeremy Leven
- Book Author, Screenwriter
- Robbie Greenberg
- Cinematographer
- Sylvester Levay
- Composer (Music Score)
- Richard Chew
- Editor
- Josan F. Russo
- Production Designer
- Thomas Roysden
- Set Designer
- Julie Weiss
- Costume Designer
- Thomas S. Dawson
- Costume Designer
- Burt Dalton
- Special Effects
- Dorothy Pearl
- Makeup
