Bells of Rosarita (1945)

Stars: Roy Rogers, Trigger, George 'Gabby' Hayes
Director: Frank McDonald

Sue Farnum inherits a circus, but her dead father's partner is trying to take it away from her. Roy and Bob Nolan are filming a movie on location at the circus. They and a number of other western movie stars come to Sue's aid, putting on a show and catching the bad guys.