Dan Charles Logan
Dr. Roy Caldwell
Maj. Holliford
Dr. Spencer
Chris Logan
Col. William Franklin
Major Reintz
Col. Alan A. Nickerson
Dr. Janeway
Major Cooper
Dr. Thompson
Bill Parker
Sarah Parker
Dr. Spike Boynton
Simpson
Waitress
Ambulance Driver (uncredited)
Bit Part
Dr. Walter Steenrod, Chivington Research Laboratories
Kaufman Trucking Co. driver