character - Mr. Emerson

character - Mr. Stackhouse

character - President Flynn

character - Mr. Colter

character - Biddleton

character - Elgin Bonning

character - Capt. Chester Albertson

character - Dale Newton

character - Glenn Orland

character - George Lith

character - Special Agent Henry Andover

character - Bernard Stoddard

character - Agent Roy McAdams

character - SAC Anthony Harper

character - SAC Edgar Brocton

character - RA Martin Boles

character - Major Zimmer

character - Major Krantz

character - Col. Edward Gray

character - Captain Brinson

character - Lieutenant Colonel

character - Colonel

character - Captain Dirksen

character - Dr. Harmon

character - John Bradley

character - Jeff Stevens (uncredited)

character - Major Lodge

character - Robin Flynn

character - ASW Officer

character - Silas

character - Davis

character - Charles Beacroft

character - Harry Tiburon

character - Owen Frazer (uncredited)

character - Steve Culver

character - Charles Peake