Cast 20

Christopher George

Steve Buckner

Leslie Nielsen

Paul Jenson

Lynda Day George

Terry Marsh

Richard Jaeckel

Prof. Taylor MacGregor

Michael Ansara

Daniel Santee

Ruth Roman

Mrs. Shirley Goodwyn

Jon Cedar

Frank Young

Paul Mantee

Roy Moore

Walter Barnes

Ranger Tucker

Andrew Stevens

Bob Denning

Susan Backlinie

Mandy Young

Kathleen Bracken

Beth Hughes

Bobby Porter

John Goodwyn

Michelle Stacy

Little Girl

Michael Andreas

Sheriff

Jan Andrew Scott

Helicopter Pilot

Gil Lamb

Old Man in Bar

Garrison True

TV Announcer

Gertrude Lee

Ranger's Wife

Walt Gorney

Sam (uncredited)

Crew 11

William Girdler

Directing

Edward L. Montoro

Production

Robert Sorrentino

Camera

Lalo Schifrin

Sound

William W. Norton

Writing

David Sheldon

Production

Eleanor E. Norton

Writing

Edward L. Montoro

Writing

Bub Asman

Editing

James Mitchell

Editing

Marvin Paige

Production