In this entry in the long-running series of westerns, the Three Mesquiteers transform their ranch into a prison farm to provide a model for prison reform. They are opposed by a local contractor who wants to build a standard prison.
Stony Brooke

Tucson Smith

Lullaby Joslin

Madeline Reynolds

Red

The Kid
Robert Beaton

Beaton's Cohort
Connors

Sheriff

Board Chairman (as John Wade)
Convict
Henchman Crane
Convict Slim
The Warden
