Actor Adolph Caesar provided the narration for the American TV spots.
Then unknown actor/stuntman Yuen Biao provided the acrobatic doubling for actor Ku Feng in the final fight.
The export trailer for the film features a music cue from Ennio Morricone's score for The Big Gundown (specifically "La Resa Dei Conti - Seconda Caccia"), but is not used in the finished film.