Clark Gable as Brigadier General K.C. 'Casey' Dennis

Walter Pidgeon as Major General Roland Goodlow Kane

Van Johnson as Technical Sergeant Immanuel T. Evans

Brian Donlevy as Brigadier General Clifton I. Garnet

Charles Bickford as Elmer Brockhurst

John Hodiak as Col. Edward Rayton Martin

Edward Arnold as Congressman Arthur Malcolm

Marshall Thompson as Capt. George Washington Bellpepper Lee

Richard Quine as Maj. George Rockton

Cameron Mitchell as Lt. Ansel Goldberg

Clinton Sundberg as Maj. Homer V. Prescott

Ray Collins as Maj. Desmond Lansing

Warner Anderson as Col. Earnest Haley

John McIntire as Maj. Belding Davis

Moroni Olsen as Congressman Stone

John Ridgely as James Carwood

Michael Steele as Capt. Lucius Malcolm Jenks

Edward Earle as Congressman Watson

Mack Williams as Lt. Col. Virgil Jackson

James Millican as Maj. Garrett Davenport

John Cannon as Officer (uncredited)