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