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

Jerry Thorpe

Executive Producer

Leonard Rosenman

Original Music Composer

Michael A. Hoey

Editor

Philip Mandelker

Producer

Ken Chase

Makeup Artist

Joseph A. Unsinn

Special Effects

Chuck Arnold

Director of Photography

Norman Rockett

Set Decoration

Josef von Stroheim

Sound Effects Editor

Frederick P. Hope

Art Direction

Marvin I. Kosberg

Sound Effects Editor

William Randall Jr.

Sound

Jerry Thorpe

Director