When Rin-Tin-Tin's master is found murdered, Rinty is accused of the crime.
| Actor | Role |
|---|---|
 Rin-Tin-TinRin Tin Tin | Rin Tin Tin |
 June MarloweJoan Hardy | Joan Hardy |
 David ButlerTerry Moulton | Terry Moulton |
 Mitchell LewisJules Renault | Jules Renault |
 Charles SellonSilent Hardy | Silent Hardy |
| PPrincess LeaWah-Wah | Wah-Wah |