Want to change some English names

I know guilao will remind me that the Chinese characters are primary, and any English name is an alias anyway... but when you're looking at the cast list for a film in English, that's what you see - and nobody on earth knows these Shaws actors by the names they currently have in English, so I think it's worth changing them :p
Guk Fung (1) -> Ku Feng
Tim Lei -> Tanny Tien Ni
Booi Dai -> Betty Tei Pei
Can I sir? Can I?
Lesser ones (i.e. still quite easily recognisable) that still bother me slightly
Chan Ping (2) -> Chen Ping
Cheng Lee -> Ching Li
Tin Fung -> Tien Feng
Anybody think of other cases?
Guk Fung (1) -> Ku Feng
Tim Lei -> Tanny Tien Ni
Booi Dai -> Betty Tei Pei
Can I sir? Can I?
Lesser ones (i.e. still quite easily recognisable) that still bother me slightly
Chan Ping (2) -> Chen Ping
Cheng Lee -> Ching Li
Tin Fung -> Tien Feng
Anybody think of other cases?