Director: Thomas Carr
Writer: Ron Ormond, Maurice Tombragel, Richard Martinsen
Stars: James Ellison, Russell Hayden, Raymond Hatton, Fuzzy Knight, Julie Adams
Countries: United States
When Shamrock was young, the Cat killed his parents. Now grown, Shamrock gets appointed Marshal when he breaks up a robbery attempt by Tex and his men. Tex works for the Cat and when he and his men rob the Express Office, Shamrock takes out after them hoping to get not only the gang, but also the Cat.