Elliott Gould
Harry Bailey
Elliott Gould
Harry Bailey
Candice Bergen
Jan
Robert F. Lyons
Nick
Cecil Kellaway
Dr. Kasper
Jeff Corey
Dr. Edward Willhunt
Max Julien
Ellis
Jon Lormer
Vandenburg
Leonard Stone
Lysander
William Bramley
Wade Linden
Jeannie Berlin
Judy Kramer
Brenda Sykes
Luan
Gregory Sierra
Garcia
Julia Anne Robinson
College girl
John Rubinstein
Herbert
Richard Anders
Dr. Bill Greengrass
Jenny Sullivan
Sheila
Billie Bird
Landlady
Harrison Ford
Jake
Elizabeth Lane
Alice Linden
Hilarie Thompson
Cynthia
Irene Tedrow
Mrs. Stebbins
Joanna Serpe
Roommate
Scott Perry
Airline Representative
Ray Carnay
TV News Reporter (uncredited)
Harry Holcombe
Dean Chesney (uncredited)
Julia Anne Robinson
Student (uncredited)
Richard Rush
Director
Richard Rush
Producer
Ronald Stein
Music
Maury Winetrobe
Editor
Robert Kaufman
Writer
Ken Kolb
Novel
Sydney Z. Litwack
Art Direction
Edward M. Parker
Set Decoration
Virginia Jones
Hairstylist
Leo Lotito Jr.
Makeup Supervisor
Ben Lane
Makeup Supervisor
Hawk Koch
Assistant Director
Charles Norton
Second Assistant Director
Chic Borland
Sound
Les Fresholtz
Sound
Arthur Piantadosi
Sound
Ira Anderson Jr.
Special Effects
Charles Bail
Stunt Coordinator
Eddy Donno
Stunts
Mike Dilley
Stunts
László Kovács
Director of Photography