Jackie Cooper

Frederick Martindale Vincent III

Joseph Calleia

Joe Calerno

Rin Tin Tin Jr.

Duke

Harvey Stephens

Chief Davison

Jean Hersholt

Dr. Mulback

Mischa Auer

Chi

Robert Warwick

Frederick Martindale Vincent II

Edward Pawley

Tony, Gangster

Sue Moore

Mrs. 'Toots' Waring (uncredited)