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