I know this kind of question has been asked a thounsand times already, but it's still fun. So, I'll do it again.
Which TVB/HK actors are suitable to play these roles?
Chor Lau Heung (Chu Liu Xiang)
Luk Siu Fung (Lu Xiao Feng)
Fa Moon Lau (Huan Man Lou)
Sai Moon Chui Seut (Xi Men Chu Xue)
Kiu Fung/Siu Fung (Qiao Feng/Xiao Feng)
Dun Yu (Duan Yu)
Hui Juk(Xu Zhu)
Wong Yu Yin (Wang Yu Yan)
Ah Chu (Ah Zhu)
Ah Ji (Ah Zhi)
LingWu Chong (LingHu Chong)
Lam Ping Ji (Lim Ping Zhi)
Yam Ying Ying (Ren Ying Ying)
Ngok Ling San (Yue Ling Shan)
Yi Lam (Yi Lin)
Cheung Mo Gei (Zhang Wu Ji)
Chiu Mun (Zhao Min)
Chow Chi Yeuk (Zhou Zhi Ruo)
Siu Chiu (Xiao Zhao)
Chu Yee/Yan Lei (Zhu Er/Yin Lee)
Cheung Sam Fung (Zhang Shan Feng)
Cheung Chui San (Zhang Chui Shan)
Yan So So (Yin Su Su)
Yeung Guo (Yang Guo)
Siu Long Nui (Xiao Long Nu)
Kwok Fu (Guo Fu)
Old Kwok Jing (Guo Jing)
Old Wong Yung (Huang Rong)
Kwok Jing (Guo Jing)
Wong Yung (Huang Ron)
Yeung Hong (Yang Kang)
Muk Nim Chi (Mu Nian Chi)
Bao Sik Yeuk (Bao Shi Ruo)
Yeung Tit Sum (Yang Tie Xin)
Wai Siu Bo (Wei Xiao Bao)
Hong Hei (Kang Xi)
WSB 7 Wives
Chan Ka LoK (Chen Jia Luo)
Kin Long (Qian Long)
Fok Ching Tong (Huo Qing Tong)
Princess Frangrance (Princess Xiang Xiang)
Sek Po Tin/Sek Zhong Yuk (Shi Po Tian/Shi Zhong Yu)
Ding Dong (Ding Dang)
Ah Sau (A Xiu)
Sorry, I didn't put characters in Flying Fox in because I've only watched the severly buthered 99 version where scriptwriters go so far as to merge original characters to make new one.