John Wayne (Capt. Dooley)
Lloyd Nolan (Stutz)
Walter Abel (Col. Fuller)
James Arness (McMullen)
Andy Devine (Moon)
Richard Walsh
Michael Connors (Gainer)
Tom Irish
John Indrisano
Gene Coogan
Dawn Bender (Murray's wife)
Ann Doran (Moon's wife)
Herbert Anderson (Breezy)
Sean McClory (Frank Lovatt, the Copilot)
Wally Cassell (D'Annunzia, the radioman)
Gordon Jones (Walrus)
Frank Fenton (Capt. Turner)
Robert Keys (Major Ditson)
Sumner Getchell (Lieutenant Cord)
Regis Toomey (Sgt. Harper)
Paul Fix (Miller)
George Chandler (Rene)
Louis Jean Heydt (Fitch)
Bob Steele (Wilson)
Darryl Hickman (Swanson)
Carl "Alfalfa" Switzer (Hopper)
Tony DeMario (Ogden)
Allyn Joslyn (J.H. Handy)
Jimmy Lydon (Murray, the navigator)
Harry Carey, Jr. (Hunt)
Hal Baylor (Stankowski, the engineer)