ID Me: The Ghost's Sword 百忍道場 (1971)

[heinz Germany]

https://hkmdb.com/db/movies/images.mhtm ... ay_set=eng
that guy https://hkmdb.com/db/movies/image_detai ... ay_set=eng is probably Kung Cheng-Hsiang
(he plays a waiter here and his only other credit he is billed as a waiter in another Josph Kuo movie)
Made captures of the chinese role names, but this will need a while to update those...