Tod Andrews

as Cadet Frank Bickley

Eleanor Parker

as Mrs. Frank Bickley

Don DeFore

as Cadet Dick Mathews

Ray Montgomery

as Cadet Jim Morgan

Ruth Ford

as Cadet Gladdens' Sweetheart

Dave Willock

as Bob 'Sir Galahad' Gladdens

Owen Crump

as Narrator (voice)

Henry H. Arnold

as Himself - 'Hap' Arnold