James Farentino
Kevin Leahy
James Farentino
Kevin Leahy
Claudette Nevins
Ellen Sumner
Eugene Roche
Sgt. Taplinger
Harrison Ford
Paul Winjam
Ann Dusenberry
Weezie Sumner
Diana Scarwid
Lane
Joan Hackett
Louise Gelson
Dinah Manoff
Celia
Carol Jones
Alex
P. J. Soles
Marty
Ethelinn Block
Barry
Susan Walden
Student
Lawrence Bame
James R. Parkes
Catherine Cunneff
Stephanie Barton-Farcas
Biology Student (uncredited)
John Sacret Young
Writer
Leonard Rosenman
Original Music Composer
Jerry Thorpe
Executive Producer
Philip Mandelker
Producer
Michael A. Hoey
Editor
Chuck Arnold
Director of Photography
Frederick P. Hope
Art Direction
Norman Rockett
Set Decoration
Ken Chase
Makeup Artist
William Randall Jr.
Sound
Marvin I. Kosberg
Sound Effects Editor
Josef von Stroheim
Sound Effects Editor
Joseph A. Unsinn
Special Effects
Jerry Thorpe
Director