as Technician #2
as Dan Daubrey
as Deputy Sheriff Hank Matson (as Brett Parker)
as Iceman
as Engineer (uncredited)
as College Professor
as Hardin
as Frank Parker - Tenor Singer
as Minister
as Danny O'Day
as Hans - Officer #2 (uncredited)
as Ed
as Guard Russell
as Zed
as Captain
as Otis Berne
as Tom Brown
as Jerry Wade
as FBI Agent
as Dr. Winton Weiss
as Mitchell Demming
as Countdown Technician
as Vic Hancock
as Father Jeremy Hogan
as Lane Curran
as Clifford
as Commander
as Harter
