Ray Milland (Jeff Young)
William Holden (Al Ludlow)
Wayne Morris (Tom Cassidy)
Brian Donlevy (Capt. Mercer)
Constance Moore (Carolyn Bartlett)
Tom Quinn (Sergeant)
Frank O'Connor (Detective)
Emory Johnson (Actor/Actress)
Arthur Gardner (Mechanic)
Richard Webb (Cadet Captain)
George Turner (Private)
Phillip Terry (Radio Operator)
Lee Shumway (Policeman in car)
Jack Shea (Crew Chief)
John Trent (Lt. Ronson)
John Sylvester (Flight dispatcher)
Charles Anthony Hughes (Meteorology Instructor)
George Lollier (Buzzer Class Instructor)
Edward Peil, Jr. (Lieutenant)
Lane Allen (Corporal Mechanic)
Hal Brazeale (Private)
Russ Clark (Supply Sergeant)
Willard Robertson (Judge Advocate)
Warren Ashe (Cadet Adjutant)
Gladden James (Surgeon)
James Farley (Fire chief)
Jack Luden (Captain at Court Martial)
Lester Dorr (Evaluating officer)
John Hiestand (Radio announcer)
James Millican (Corporal)
Lane Chandler (Ranger)
Rod Cameron (Voice on Loud Speaker)
Anthony Nace (Captain at Court Martial)
Edward Peil Sr. (Detective)
Edward Fielding (President of the Court)
Herbert Rawlinson (Mr. Young)
Richard Lane (Flight Commander)
Addison Richards (Flight Surgeon)
Hobart Cavanaugh (Mickey)
Douglas Aylesworth (Lt. Hopkins)
Archie Twitchell (Lt. Clankton)
Jack Chapin (Cadet)
Charles Drake (Cadet)
Alan Hale, Jr. (Cadet)
Renny McEvoy (Cadet)
Harlan Warde (Montgomery, the Co-Pilot)
Veronica Lake (Sally Vaughn)
Hedda Hopper (Mrs. Young)
Phil Brown (Jimmy Masters)
Harry Davenport ("Sandbags" Riley)