The Three Mesquiteers are forced to track down a train robbery ring after some of the gang hijack their truck for a getaway and the police conclude they are part of the gang, an identification which is just fine with the gang's nameless chief.
Robert Livingston
'Stony' Brooke
Ray Corrigan
'Tucson' Smith
Max Terhune
'Lullaby' Joslin
Earle Hodgins
'Doctor' Algernon Irving
Sammy McKim
Timothy Irving
Lynne Roberts
Madge Irving (as Lynn Roberts)
Eddy Waller
The Chief
Maston Williams
Lead Henchman Phillips, boxcar heist, etc.
Warren Jackson
Henchman Mack, boxcar heist, etc.
Jerry Frank
Henchman Bert, natty dresser, boxcar heist etc.