Rodeo King and the Senorita (1951)
Lacey is after the profits of the Foster and Morales rodeo show. He has Morales killed during a stunt and then forces Foster to take him on as a silent partner. When Rex Allen joins the show, Lacey tries to get rid of him also. But Rex survives and now believes Morales' accident may have been murder.
Directed by: Philip Ford
Starring: Rex Allen, Koko, Mary Ellen Kay, Buddy Ebsen, Roy Barcroft, Tris Coffin
Links: IMDb, Movie posters, Movie stills