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
as 'Stony' Brooke
Ray Corrigan
as 'Tucson' Smith
Max Terhune
as 'Lullaby' Joslin
Earle Hodgins
as 'Doctor' Algernon Irving
Sammy McKim
as Timothy Irving
Lynne Roberts
as Madge Irving (as Lynn Roberts)
Eddy Waller
as The Chief
Maston Williams
as Lead Henchman Phillips, boxcar heist, etc.
Warren Jackson
as Henchman Mack, boxcar heist, etc.
Jerry Frank
as Henchman Bert, natty dresser, boxcar heist etc.