Peter O'Toole

Dr. Harry Wolper

Mariel Hemingway

Meli

Vincent Spano

Boris Lafkin

Virginia Madsen

Barbara Spencer

David Ogden Stiers

Dr. Sid Kullenbeck

John Dehner

Paul

Karen Kopins

Lucy Wolper

Kenneth Tigar

Pavlo

Elsa Raven

Mrs. Mallory

Lee Kessler

Mrs. Pruitt

Rance Howard

Mr. Spencer

Ellen Geer

Mrs. Spencer

Ian Wolfe

Prof. Brauer

Mike Jolly

Boom-Boom

Burton Collins

Lyman

Judith Hansen

Karen

Doug Cox

Arthur

Anthony Peck

Norman

Crawford Binion

Fred

Byrne Piven

Krauss

Vincent Cobb

Hamberg

Gary Bayer

Bovi

Jordan Charney

Dr. Whitaker

William Bassett

Dr. Sutter

Sandy Ignon

Dr. Franklin

Jeff Corey

Dean Harrington

Michael McGrady

Larry

Eve McVeagh

Woman with Monkey

Al Fann

Guard

Michael Greene

Guard

James Murray

Martin Goodwin (uncredited)

Ivan Passer

Director

Jeremy Leven

Guión, Guión Adaptado, Novela

Robbie Greenberg

Director de Fotografía

Sylvester Levay

Compositor de la Música Original

Stephen J. Friedman

Productor

Kings Road Entertainment

Compañía de Produccion

Universal Pictures

Compañía de Produccion

Charles Mulvehill

Productor Asociado