Leo Gorcey as Terence J. Montgomery 'Slip' Mahoney

Huntz Hall as Horace Debussy 'Sach' Jones

Bobby Jordan as Bobby

Gabriel Dell as Gabe

William Benedict as Whitey (as Billy Benedict)

David Gorcey as Chuck

Christine McIntyre as Jane P. Connelly

Tim Ryan as John 'Bullfrog' Burke

Anthony Caruso as Dapper Dan Greco

Bill Kennedy as Mark Morgan

Ralph Dunn as 'Dutch' Miller

Nita Bieber as Mame

John Hamilton as Timothy X. 'Big Tim' Donlin

Bernard Gorcey as Louie Dumbrowski