Leo Gorcey

Slip Mahoney

Huntz Hall

Horace Debussy 'Sach' Jones

G. Pat Collins

Bat Armstrong

Effie Laird

Ma Armstrong

Bernard Gorcey

Louie Dumbrowsky

William Benedict

Whitey, Bowery Boy

David Gorcey

Bowery Boy #4, dark-haired

Buddy Gorman

Bowery Boy #5, slender

Joseph Crehan

Warden Burnside

Richard Benedict

Skeets O'Neil

Frank Marlowe

Ma's Clean-shaven Henchman

Eddie Foster

Ma's Henchman with Mustache

Gabriel Dell

Gabriel 'Gabe' Moreno

Lyn Thomas

Shirley O'Brien, Gabe's Secretary

Eddie Gribbon

'Hobo' Barton, convict

Paul Dubov

Pretty Boy Gleason

Joe Turkel

Benny the Blood (as Joseph Turkel)

George Chandler

'Squirrely' Davis, convict

Jonathan Hale

The Judge

Edward Gargan

Officer Murphy

William Haade

Dialogue Cop Arresting the Boys

Harry Strang

Solitary Confinement Guard

Lyle Talbot

Prison Yard Guard

Stanley Blystone

Captain of the Guards

Tom Kennedy

Third Convict Calling Out from Cell