Freddie Bartholomew
— Austin Shannon
Jimmy Lydon
— Joe Novak
Joseph Crehan
— Jeff Shannon
Minna Gombell
— Della
Raymond Hatton
— Gus Novak
Emory Parnell
— Inspector Kennedy
Robert Warwick
— Colonel Metcalfe
Kenneth MacDonald
— Dr. Nesbitt
Stanley Brown
— Lt. Wilson
Lloyd Bridges
— Newspaper Reporter
Jack Gardner
— Photographer
Chuck Hamilton
— Cop