Katherine
Paul, FBI Agent
Secretary
Dr. Karl Sorenson (as William DeVane)
Gibson (as Roger R. Cross)
Menzer (as Ken Camroux)
Airforce Chief of Staff
Illyanov (as Craig Brunanski)
Gil Naspeth
Carlton James
Ned Bainbridge
Frake
Tricia
Rafael
Jensen
Parks
Harris
Capt. Kane
Collins
Peters
Martinez
Sgt. Thompson (as Jason Gray Stanford)
Redmond
Mark (uncredited)
Captain Ron (uncredited)
Missile Commander (uncredited)