John P. Ryan
Frank Davis
Sharon Farrell
Lenore Davis
Andrew Duggan
The Professor
Guy Stockwell
Bob Clayton
James Dixon
Lt. Perkins
Michael Ansara
The Captain
Robert Emhardt
The Executive
William Wellman Jr.
Charley
Shamus Locke
The Doctor
Nancy Burnett
Nurse
Daniel Holzman
Chris
Diana Hale
Secretary
Patrick McAllister
Expectant Father
W. Allen York
