Rinty rescues heroine June and hero Pat from all manner of desert dangers, both natural and man-made. The film's high point of tension finds the canine star rescuing Nye from a deep pit.
| Actor | Role |
|---|---|
 Rin-Tin-TinRinty | Rinty |
 Audrey FerrisJune Marlow | June Marlow |
 Carroll NyePat | Pat |
 Paul PanzerMike Doyle | Mike Doyle |
 Otto HoffmanPop Marlow | Pop Marlow |