During World War I, German spies were even capable of infiltrating a Tom Mix Western!
| Actor | Role |
|---|---|
 Tom MixJim Logan | Jim Logan |
 Kathleen O'ConnorSuzanne Morton | Suzanne Morton |
 Charles Le MoyneJim Crosby | Jim Crosby |
 Val PaulJ. Alexander Gage, aka Meier | J. Alexander Gage, aka Meier |
| JJack CurtisNot listed | Not listed |
| DDick La RenoUncle Billy Morton | Uncle Billy Morton |
| JJack DillOlsen | Olsen |
| MMaude EmoryDolly | Dolly |