I wonder if this unidentified Chiao Yang 喬洋 with only two movies...

https://hkmdb.com/db/people/view.mhtml? ... ay_set=eng

...could be the man on these images:

Tien Long Great Cabalier (1981)
https://hkmdb.com/db/movies/image_detai ... ay_set=eng
Challenge (1981)
https://hkmdb.com/db/movies/image_detai ... ay_set=eng

...because both name and face have also some similarity with this Chiao Yang (2) 喬揚:

https://hkmdb.com/db/people/view.mhtml? ... ay_set=eng

I thought exactly the same thing.
I had already thought about writing it in the forum

Your opinion is enough for me to merge them.

Done.

https://hkmdb.com/db/people/view.mhtml? ... ay_set=eng