Many people know Lau Dan acted Hong Qigong both in the 80s and 90s SHe Diao.
But there's many other actors who acted the same character more than once.
Here's some of the list i discovered.
Yeung Chak Lum
Well known for acting 80s Ouyang feng but who also acted the same role in the 70's version.
Chun Wong
Acted the 70s and 80s Zhou Botong.
Acted the 80s (Tony Leung version) and 90s (Jordan Chan version) Mao ShiBa in Lu Ding Ji
Acted the 80s and 90s Zhao BanShan
Ku Feng
Acted the 70s movie version and 90s (Jordan Chan's version) Hai DaFu in Lu Ding Ji.
Acted the 90s taiwan version and 2000 TVB version HSDS as Yin TianZheng.
Acted the 70s Fu Sheng's movie version LOCH and 80s Leslie Cheung's movie version ROCH as Hong Qigong.
Ng Man Tat
Acted the Stephen Chow's version and Dicky Cheung's version LDJ as Hai DaFu.
Elvis Tsui
Acted the Stephen Chow's version, Dicky Cheung's version and Zhang JiZhong's version as Ao Bai.
Bryan Leung
Acted in Ricky Ren's version and Hu Ge's version as Hong Qigong.
Tony Leung
Acted in 80s and 90's movie version as Wei XiaoBao.
Jason Pai
Acted the 70s LOCH, 70s ROCH and Louis Koo's 90s version as Guo Jing.
Maybe there's more.. Maybe some of you guys may spot more than me.