The first, and apparently only, surviving film produced by the Colorado Motion Picture Company, Pirates of the Plains is a quite well-made story about two brothers, one a champion rodeo rider, the other a horse thief.
| Actor | Role |
|---|---|
| JJoe RyanNot listed | Not listed |
| JJosephine WestNot listed | Not listed |
 Colin ChaseNot listed | Not listed |
| JJack DonahooNot listed | Not listed |
| OOtis ThayerNot listed | Not listed |