Casts
Jackie Cooper
as Frederick Martindale Vincent III
Joseph Calleia
as Joe Calerno
Rin-Tin-Tin Jr.
as Duke
Harvey Stephens
as Chief Davison
Jean Hersholt
as Dr. Mulback
Mischa Auer
as Chi
Robert Warwick
as Frederick Martindale Vincent II
Edward Pawley
as Tony, Gangster
