John Travers and Yak, his faithful Indian sidekick, pick up where a murdered sheriff leaves off, and try to nab the mysterious Shadow.
| Actor | Role |
|---|---|
 John WayneU.S. Marshal John Travers | U.S. Marshal John Travers |
 Verna HillieAnita Matlock | Anita Matlock |
 George 'Gabby' HayesMatt Matlock | Matt Matlock |
 Yakima CanuttYak | Yak |
 Billy FraneyHenchman in the Stump | Henchman in the Stump |
 Eddie ParkerHenchman Parker (as Ed Parker) | Henchman Parker (as Ed Parker) |
 Earl DwireHenchman Mason | Henchman Mason |
 Thomas G. LinghamSheriff Al Davis (as Tom Lingham) | Sheriff Al Davis (as Tom Lingham) |
 George ClevelandJake | Jake |
 Artie OrtegoHenchman | Henchman |
| TTex PalmerDave | Dave |
| DDavie AldrichYoung Boy | Young Boy |
 Glenn StrangeLoco Frank | Loco Frank |