as Mr. Jameson from Chicago (uncredited)
as Adm. Nimitz
as Mr. Simmons
as Station Commander
as Secretary of State (uncredited)
as Board member (uncredited)
as Secretary of State
as Mental Patient (uncredited)
as Newscaster (uncredited)
as Governor of the Mountains (uncredited)
as Leonard - College Regent (uncredited)
as Judge
as Studio Executive (uncredited)
as Harry Bliss
as Diplomat
as Charlie Goldring
as Evacuee from Newhall
as Colonel Reed
as Adm. Phillips
as Bailey
as Executive (uncredited)
as Chief Sullivan
as George Packer
as Coroner
as Gen. Towns
as MacAlwee
as Dr. Morton
as Maj. Horace Tillman
as Archibald Cox
as Defense Secretary
as General
as David Forbes
as A.C. Thompson
as 3rd Senator
as Grantland Rice
as Miles Gratton (uncredited)
as Capt. Pete Ingersoll
as Captain Franklin
as Benny
as Admiral Westervliet
as Admiral Komack
as Amos Lawrence
as The Commissioner
as Martian
as Dr. Cowan
as General Moore
as General Alton
as George Ranger
as Judge #2
as Captain Hillman
as Judge Brawley
as Second Judge
as Frank Patton
as Sheriff Clark
as Ted Thatcher
as Irving Patrick
as Deputy Police Chief Eugene W. Towne
as George Greenleaf / Ray Fahasateur
as John McLinton
as Priest-Secretary
as Mr. Burrows
as Massey's Attorney (uncredited)
as Sheriff Crowell
as Gilbert
as Col. Newcomb
as Captain
as Dr. Gordon Miller
as Admiral Haines
as Farrell
as Henry Hansen
as Amos Judd
as John C. Cavanaugh
as General Fredricks
as Leland Hagerman
as Capt. Keith Gregory
as Mr. Gregory
as Meyers
as Judge Cornwall
as Mr. Baker
as Franklyn Buckley
as Gen. Beauregard
as Mayor Hall
as The Doctor
as Alfred E. Chambers
as Majordomo
as General Squires
as Wilson Ingersall
as Charles Lee Horne
as Father
as Mr. Westphal
as Leith Houser
as Cabinet Secretary
as McAdams
as Mr. Howard
as Mr. Bowers
as Mr. Finletter
as Professor Thompson
as Max Benson
as Commisioner Grant
as Roger Harris
as Glen Stillwell
as Clinton Saunders
as Judge Roger Allman
