Margaret O'Brien
— Betty Foster
Allen Martin Jr.
Jimmy Hunt
Sharyn Moffett
Ann Doran
Lloyd Corrigan
Elinor Donahue
— Lucille Stewart
Melinda Byron
— Girl (uncredited)
Maudie Prickett
— Miss Pond - Schoolteacher
Billy Gray
— Boy at Camp Barracks (uncredited)
Jerry Paris
— Camp Counsellor (uncredited)
Dick Rich
— Irving, Night Watchman (uncredited)
Dick Wessel
— Night Watchman (uncredited)