1. I think you mean "Devil Fighter" (1969)
But I don't have that one.
Here are some informations in Chinese.
http://hkmdb.com/db/movies/view.mhtml?id=11260&display_set=eng
http://enlejemordersertilbage.blogspot.com/2009/07/lost-asia-young-flying-hero.html
2. The name of this young actor is Pa Gwoh.
http://hkmdb.com/db/people/view.mhtml?id=15434&display_set=eng
http://zh.wikipedia.org/wiki/%E5%B7%B4%E6%88%88
But they didn't know that he had appeared in two American Film,
they are "The Sand Pebbles (1966)" and "The Inn of the Sixth Happiness (1958) "
There are some scenes of those 2 films were shot in Taiwan.
https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgGw8Bv7TlPk0bcT4HHEKd_dtlf4j0BLtgUlRt2hI51mJXCRSi7BXx-wYKC_GUf5p8b3_IbYbDnr3P3HtPjoJz4pTz7qY2k3qGBY4G3TBMfh4xErwj4OYGuWkt-GjLU-iKuLQHLj3Vn0C4/s400/Pebble_%E5%B7%B4%E6%88%88.JPG
http://felix1027.blogspot.com/2008_02_01_archive.html
3. I don't know if "Devil Fighter" is a sequel.
----------------- 原始 訊息 -----------------
寄件人: damon (4992373)
收件人: Agoing (481740491)
日期: 2009/9/3 2:36
主旨:Young Flying Hero
Hello,
Thanks for commenting on the Chinese movie I'm again trying to dub into English! The DVD will have optional Chinese or English soundtracks. Maybe I'll finish it in 2010.
Do you know of a similar movie called DEVIL KILLER? It's probably a sequel, and stars the same boy. I've been trying to find it for years!
Thank You, Damon