Jackie Cooper

as James Michael 'Jimmy' Keenan

Martin Spellman

as William McKinley 'Gimpy' Smith

Marjorie Reynolds

as Anne Carroll

Dick Purcell

as T.P. 'Tap' Keenan

George Cleveland

as Pop O'Toole

George Irving

as Judge Joseph Carroll

Robert Emmett O'Connor

as Police Officer Burke

Sidney Miller

as Jiggsy

David Durand

as Spike Morgan

Buddy Pepper

as Flatfoot

William Bucker

as Sammy (uncredited)

Byron Foulger

as 'Murderer' in Classroom (uncredited)

Jack Gordon

as Street Policeman (uncredited)

William Gould

as Police Detective (uncredited)

Robert Emmett Keane

as Roger Wilson (uncredited)

Jack Kennedy

as Police Sergeant (uncredited)

Donald Kerr

as Newspaper Distributor (uncredited)

Lillian Randolph

as Judge's Maid (uncredited)

Kent Rogers

as Gang Member (uncredited)

Bobby Stone

as Beansy (uncredited)

Robert Tucker

as Spike's Pal (uncredited)

Frank Yaconelli

as Flower Vendor (uncredited)