นักแสดง
Richard Basehart
Dr. Roy Caldwell
Stephen Young
Major Reintz
Bette Henritze
Sarah Parker
Terry Wilson
Kaufman Trucking Co. driver
จอร์จ ซี. สกอตต์
Dan Charles Logan
Martin Sheen
Maj. Holliford
Lou Frizzell
Dr. Spike Boynton
Barnard Hughes
Dr. Spencer
Kenneth Tobey
Col. Alan A. Nickerson
William Jordan
Major Cooper
Dabbs Greer
Dr. Thompson
John Dierkes
Bill Parker
Nicolas Beauvy
Chris Logan
Paul Stevens
Col. William Franklin
Robert Walden
Dr. Janeway
Ed Lauter
Simpson
Anna Aries
Bit Part