seen one in "Sherlock Holmes"? In Sherlock Holmes, I've found out that one of the bad guys, the "Giant" Reordan is interpreted by an actor called Oran Gurel.
I assume he's Turkish
In this video at 1:44
http://www.youtube.com/watch?v=LDnbi-9irxg


And also I found a visual effects engineer who worked for "Iron Man", "Star Trek"(2009) and many other blockbusters. His name is Okan Ataman.

http://www.imdb.com/name/nm0040250/

Do you know some others?