Col. Billy Mitchell
Gary Cooper
Gen. Jimmy Guthrie
Charles Bickford
Admiral Gage
Robert F. Simon
Senator Fullerton
Charles Dingle
General Douglas MacArthur
Dayton Lummis
Capt. Eddie Rickenbacker
Tom McKee
Major Carl Spaatz
Stephen Roberts
General John J. Pershing
Herbert Heyes
Major H. H. Arnold
Robert Brubaker
Fiorello LaGuardia
Phil Arnold
President Calvin Coolidge
Ian Wolfe
Admiral William S. Sims
Will Wright
Congressman Frank R. Reid
Ralph Bellamy
Howard Millikan
Gregory Walcott
Maj. Allan Guillion
Rod Steiger
Margaret Lansdowne
Elizabeth Montgomery
Col. Moreland
Fred Clark
Lt. Col. Herbert White
James Daly
Lt. Cmdr. Zachary 'Zack' Lansdowne
Jack Lord
Capt. Bob Elliott
Peter Graves
Capt. Russ Peters
Darren McGavin
Director
Otto Preminger
Conductor
Dimitri Tiomkin
Original Music Composer
Sound
Stanley Jones
Costume Design
Howard Shoup
Second Unit Director
Russell Saunders
Technical Advisor
Douglas Keeney
Makeup Supervisor
Gordon Bau
Special Effects
Hans F. Koenekamp
Assistant Director
Jack McEdward
Screenplay
Emmet Lavery
Producer
Milton Sperling
Editor
Folmar Blangsted
Story
Director of Photography
Sam Leavitt
Art Direction
Malcolm C. Bert
Set Decoration
William L. Kuehl