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