as

Harter

as

Minister

as

Technician #2

as

Captain

as

Zed

as

Bill

as

Clifford

as

Jerry Wade

as

Commander

as

FBI Agent

as

Dr. Winton Weiss

as

Mitchell Demming

as

Lane Curran

as

Tom Brown

as

Ed

as

Guard Russell

as

Dan Daubrey

as

College Professor

as

Otis Berne

as

Hardin

as

Iceman

as

Deputy Sheriff Hank Matson (as Brett Parker)

as

Father Jeremy Hogan

as

Vic Hancock

as

Engineer (uncredited)

as

Countdown Technician

as

Hans - Officer #2 (uncredited)

as

Danny O'Day

as

Frank Parker - Tenor Singer