Spencer Tracy as Father Flanagan

Mickey Rooney as Whitey Marsh

Henry Hull as Dave Morris

Leslie Fenton as Dan Farrow

Gene Reynolds as Tony Ponessa

Edward Norris as Joe Marsh

Addison Richards as Judge

Minor Watson as Bishop

Jonathan Hale as John Hargraves

Bobs Watson as Pee Wee

Martin Spellman as Skinny

Mickey Rentschler as Tommy Anderson

Frankie Thomas as Freddie Fuller

Jimmy Butler as Paul Ferguson

Sidney Miller as Mo Kahn

Robert Emmett Keane as Burton

Victor Kilian as The Sheriff

Arthur Aylesworth as Tim (uncredited)

King Baggot as Derelict in Mission (uncredited)

Barbara Bedford as Nun (uncredited)

George Cooper as Tramp (uncredited)

Nell Craig as Nun (uncredited)

John Hamilton as Prison Warden (uncredited)

Claire McDowell as Nun (uncredited)

Jay Novello as Gangster (uncredited)

Phillip Terry as Newspaper Reporter (uncredited)

William Worthington as Governor (uncredited)

John Wray as Weasel (uncredited)

Everett Brown as Darky