John Travers and Yak, his faithful Indian sidekick, pick up where a murdered sheriff leaves off, and try to nab the mysterious Shadow.

John Wayneas U.S. Marshal John Travers
Verna Hillieas Anita Matlock
George 'Gabby' Hayesas Matt Matlock
Yakima Canuttas Yak
Billy Franeyas Henchman in the Stump
Eddie Parkeras Henchman Parker (as Ed Parker)
Earl Dwireas Henchman Mason
Thomas G. Linghamas Sheriff Al Davis (as Tom Lingham)
George Clevelandas Jake
Artie Ortegoas Henchman