William Theodore Kotcheff (born April 7, 1931) is a Bulgarian-Canadian film and television director and producer, known primarily for his work on British and American television productions such as Armchair Theatre and Law & Order: Special Victims Unit. He has also directed numerous successful films including the Australian Wake in Fright (1971), action films such as the original Rambo movie First Blood (1982) and Uncommon Valor (1983), and comedies like Weekend at Bernie's (1989), Fun with Dick and Jane (1977), and North Dallas Forty (1979). He is sometimes credited as William T. Kotcheff, and resides in Beverly Hills, California. Given his ancestry, Kotcheff has Bulgarian citizenship.Kotcheff's given name is Velichko Todor Kostadin (Bulgarian: Величко Тодор Костадин) Kotcheff, although he was registered in official documents as William Theodore Kotcheff. He was born in Toronto to a family of Bulgarian immigrants, who changed their last name from Tsochev (Bulgarian: Цочев) to Kotcheff for convenience.His father was born in Plovdiv, while his mother was of Macedonian Bulgarian background, from Vambel, today in Greece, but grew up in Varna, Bulgaria.

For more information press the link below:
https://en.wikipedia.org/wiki/Ted_Kotcheff