Rinty is a police-dog assigned to a young Scotland Yard police-officer who covers the Limehouse district of London.
Rin-Tin-Tin
as Rinty
Helene Costello
as Dale Burke
Walter Merrill
as Thomas Hallard
John Patrick
as Foster
Otto Matieson
as London Letter
George Kotsonaros
as The Monk
DeWitt Jennings
as Inspector Burke
Carl Stockdale
as Stokes
Les Bates
as Long Tom
