Frank Marth

as John

as Joe Reynolds

as Marc Mitscher

as Gen. Worth

as Mr. Taggart

as Gentleman Jim Sullivan

as Judge

as Kraler

as Kraler

as Harold Micklin

as Charles Barber

as George Crowley

as Josh Moreland

as Jim Taggert

as Harley Sandburg

as Roy Keefer

as Mr. Stanton

as Mr. Svenson

as Tall Man

as Dr. Meredith

as Speer

as Phillips

as Dr. Da Costa

as Colonel Brody

as Lewis Ford

as Dr. Winslow

as Bill Bruner

as Dispatcher

as Detective

as Larry Lacava

as D.A. Harvey

as Seaver

as Colonel Griswald

as Sheriff Morgan

as Sgt. Hamilton

as Air Force Systems Director

as Warren

as Lt. Smithson

as Registrar

as Gibbons

as Carl Lund

as Lt. James Price

as Alien

as Eric H. Lund

as Alexander Vanin

as Koler

as Captain Unger

as Col. von Bracht

as Harvey Ball

as Police Lieutenant

as Detective Combs

as Dunlap

as Walter Ronald

as Preston Archer

as Marty Rawll

as Bozo Trask

as Captain Milheiser

as SS Colonel Deutsch

as Inspector General Busse

as Monroe

as Marshal Lanson

as Walter Meeder

as Sheriff Barnes

as Sheriff Tom Hayes

as Assistant District Attorney

as Grant

as Mr. Gorman

as Hornbeck

as Deputy Hendricks

as Lt. Vogler

as Sketch Actor

as Party Guest (uncredited)

as Albert Garvin

as Ben Fraser, Jr.

as Lieutenant Crown

as Carl Rohr

as Mike Carson

as 2nd Actor

as First Reporter

as Barton's henchman (uncredited)

as George Morley

as Police Officer Billy Stevens (uncredited)

as Leitner

as Ed Wickes

as Martin Blake

as Loveday

as Franks

as Walter

as Lt. Captain Richter

as Franks

as Actor #2