i've split the categories into the languages they act in English speaking...

• Jonathan Rhys Meyers
• Daniel Henney
• Ewan McGregor
• Christian Bale
• Hugh Jackman
• William Moseley
• Leonardo Dicaprio
• Ben Barnes
• Thomas Kretschmann
• Sam Worthington
• Gerald Butler
• Timothy Olyphant
• Chris Pine

-- Chinese speaking...

• Chen Kun
• Daniel Wu
• Wang Lee Hom
• Chang Chen

--

• Takeshi Kaneshiro

-- Japanese speaking...

• Shun Oguri
• Hiroshi Tamaki
• Naohito Fujiki
• Sousuke Takaoka
• Takayuki Yamada

-- Korean speaking...

• Kim Jae Wook
• Ju Jin Mo
• Jin Goo
• Lee Byung Hun
• Lee Sun Gyun
• So Ji Sub
• Yoo Ji Tae
• Won Bin
• Kim Nam Gil
• Song Seung Hun
• Ji Sung
• No Min Woo
• Jang Dong Gun

and there are plenty more i can't think of at the moment lol XD