Rory Calhoun was, like his character, a former star of b-Westerns.
Angel gained popularity on video, which helped spawn two sequels.
Not only did two straight actors, Dick Shawn and Susan Tyrrell, portray gay characters, but their gay characters were co-leads, endearing, and non-cliche (Shawn plays a cross dresser), which was rare during this time.
Shot in 20 days.