David Clemens
Keir Dullea
Lisa Brandt
Janet Margolin
Josette
Karen Lynn Gorney
Sandra
Janet Lee Parker
Newsdealer (uncredited)
Frank Perry
Dr. Swinford
Howard Da Silva
Mrs. Clemens
Neva Patterson
John
Clifton James
Mr. Stewart Clemens
Richard McMurray
Maureen
Nancy Nutter
Simon
Mathew Anden
Carlos
Jaime Sánchez
Kate
Coni Hudak
Director
Screenplay
Eleanor Perry
Production Assistant
Herbert Nagle
Script Supervisor
Betty Todd
Assistant Camera
Lawrence Williams Jr.
Associate Producer
Lee R. Bobker
Original Music Composer
Mark Lawrence
William Bayer
Casting
Edith Hamlin
Assistant Director
Tony LaMarca
Title Designer
Ted Trinkaus
Camera Operator
Bernard Hirschenson
Director of Photography
Leonard Hirschfield
Art Direction
Paul M. Heller
Set Decoration
Gene Callahan
Production Manager
Steve Kesten
Editor
Irving Oshman
Gaffer
Max Kurz
Producer
Costume Design
Anna Hill Johnstone
Key Grip
Alan Stetson
Book
Theodore Isaac Rubin