When Montana cowpuncher Larry Benson, riding his horse Starlight and accompanied by his dog Rex, tied up at the hitching post in front of McAvoy's hotel in Dam, Texas, he had little idea of the extraordinary series of adventures that were in store for him, Starlight and Rex.
| Actor | Role |
|---|---|
 Jack PerrinLarry Benson | Larry Benson |
| SStarlight the HorseHorse | Horse |
| RRex the DogDog | Dog |
 Josephine HillThe Girl | The Girl |
 Buzz BartonThe Brother | The Brother |
 Leonard TrainorMcAvoy | McAvoy |
 Bud OsborneHenchman | Henchman |
 Al FergusonHenchman | Henchman |
| WWalter ShumwaySheriff | Sheriff |