as President Flynn
as John Bradley
as Major Zimmer
as Major Krantz
as Dale Newton
as Glenn Orland
as George Lith
as Special Agent Henry Andover
as Bernard Stoddard
as Agent Roy McAdams
as SAC Edgar Brocton
as SAC Anthony Harper
as RA Martin Boles
as Elgin Bonning
as ASW Officer
as Harry Tiburon
as Owen Frazer (uncredited)
as Steve Culver
as Silas
as Capt. Chester Albertson
as Charles Beacroft
as Robin Flynn
as Jeff Stevens (uncredited)
as Mr. Colter
as Colonel Gray
as Captain Brinson
as Lieutenant Colonel
as Colonel
as Davis
as Dr. Harmon
as Major Lodge
as Mr. Emerson
as Mr. Stackhouse
as Biddleton
as Captain Dirksen
as Charles Peake