Peter the Great as the dog "King" that rescues his abducted owner.
| Actor | Role |
|---|---|
| PPeter the GreatKing | King |
 Charlotte StevensSelah Blair | Selah Blair |
| RRobert GordonClint Sifton | Clint Sifton |
 Vera Lewis"Widder" Gasper | "Widder" Gasper |
| FFrank NorcrossDr. Joe Stoddard | Dr. Joe Stoddard |
| MMary CornwallisKitty Carlyle | Kitty Carlyle |
 Frank BrownleeChuck Purdy | Chuck Purdy |
| DDanny HoyBud Gasper | Bud Gasper |
| WW.H. DavisSam Blair | Sam Blair |