Leo Gorcey
— Slip Mahoney
Huntz Hall
— Sach Jones
Adele Jergens
— Joanie Marshall
Gabriel Dell
— Gabe Moreno
Harry Lewis
— Champ Fallon
Murray Alper
— John Zero "Dynamite" Bacchuss
Bernard Gorcey
— Louie Dumbrowski
Jody Gilbert
— Sarah Dumbrowski
William Benedict
— Whitey
Buddy Gorman
— Butch
David Gorcey
— Chuck
John Harmon
— Professor
Michael Ross
— Samson
Lynn Davies
— Verna
Beverly Crane
— Bunny (as Beverlee Crane)
Karen Randle
— Tracy
Stanley Andrews
— Mr. Jennings
Florence Auer
— First Dowager
Constance Purdy
— Second Dowager