"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.
Curley Dresden
as Henchman Al, outside first truck, etc.
Francis Walker
as Henchman Spike, gas station, etc.
Loren Riebe
as Henchman
Flash the Dog
as Hawkshaw - Tim's Dog (as Flash)
Eddie Hart
as Henchman Lefty, second truck
Roger Williams
as Henchman Frank, second truck
Pat Gleason
as Henchman Joe, second truck
Hal Price
as Sheriff Jed Benton
William Nobles
Director of Photography
Lester Orlebeck
Editor
William Berke
Producer
John English
Director
Luci Ward
Screenplay
Bernard McConville
Story
William Colt MacDonald
Writer