just for fun:

Jackie Chan aka Chang Kong Sang (meaning born in Hong Kong)

Mel Gibson aka Mel Columcille Gerard Gibson

Tom Cruise aka Thomas Cruise Mapother IV

Woody Allen aka Allen Stewart Konigsberg

Antonio Banderas aka Jose Antonio Dominguez Bandera

Nicholas Cage aka Nicholas Kim Coppola

Vin Diesel aka Mark Vincent

Kirk Douglas aka Issur Danielovitch Demsky

Audrey Hepburn aka Edda Kathleen van Heemstra Hepburn-Ruston

Ben Kingsley (Gandhi role) aka Krishna Banji

Charlie Sheen aka Carlos Irwin Estevez

Bruce Willis aka Walter Bruce Willison