Question: Did Ted Kotcheff and D. W. Griffith share the same nationality?

Context articles: Two Gentlemen Sharing
Billy Two Hats
Folks!
Wake in Fright
The Shooter (1995 film)
Winter People
North Dallas Forty
Ted Kotcheff
Sam Trautman
D. W. Griffith

Two Gentlemen Sharing is a 1969 British drama film directed by Ted Kotcheff, written by Evan Jones and starring Robin Phillips, Judy Geeson, Esther Anderson, Hal Frederick, Norman Rossington and Rachel Kempson.
 An upper-class white Englishman is forced to confront his own feelings and prejudices when the London flat he advertises for sharing is taken up by an Oxford-educated black Jamaican.
Billy Two Hats is a 1974 Western film directed by Ted Kotcheff.
 It stars Gregory Peck, Jack Warden and Desi Arnaz, Jr.
Folks!
 is a 1992 American comedy-drama film directed by Ted Kotcheff and starring Tom Selleck.
 Its tagline is: "Jon Aldrich is about to come face to face with the most terrifying force known to man...his parents."
 It earned a Razzie Award nomination for Selleck as Worst Actor.
Wake in Fright (initially released as Outback outside Australia) is a 1971 psychological thriller film directed by Ted Kotcheff, written by Evan Jones and starring Gary Bond, Donald Pleasence, Chips Rafferty, Sylvia Kay and Jack Thompson.
 Based on Kenneth Cook's 1961 novel of the same name, the film follows a young schoolteacher from Sydney who descends into personal moral degradation after finding himself stranded in a brutal, menacing town in outback Australia.
The Shooter (original title), later released as Hidden Assassin, is a 1995 American action drama directed by Ted Kotcheff and starring Dolph Lundgren as a deputy United States Marshal who gets caught up in politics when he is hired to solve the assassination of a Cuban ambassador.
Winter People is a 1989 romantic drama film directed by Ted Kotcheff.
 It stars Kurt Russell and Kelly McGillis.
North Dallas Forty is a 1979 American sports comedy-drama film starring Nick Nolte, Mac Davis, and G. D. Spradlin set in the decadent world of American professional football in the late 1970s.
 It was directed by Ted Kotcheff and based on the best-selling novel by Peter Gent.
 The screenplay was by Kotcheff, Gent, Frank Yablans, and Nancy Dowd (uncredited).
 This was the first film role for Davis, a popular country music recording artist.
William Theodore "Ted" Kotcheff (born April 7, 1931; as Velichko Todorov Tsochev) is a Bulgarian-Canadian film and television director and producer, known primarily for his work on several high-profile British and American television productions such as "Armchair Theatre" and "".
 He has also directed numerous successful films including the seminal Australian classic "Wake in Fright," action films such as "First Blood" and "Uncommon Valor", and comedies like "Weekend at Bernie's, Fun with Dick and Jane," and "North Dallas Forty".
 He is sometimes credited as William T. Kotcheff, and currently resides in Beverly Hills, California.
Colonel Samuel "Sam" Trautman is a fictional character in the "Rambo" novel and film series.
 His first appearance was in David Morrell's novel "First Blood".
 His character was expanded on in the film series where he was played by Richard Crenna, although Kirk Douglas was cast in the part, had been outfitted and shown up on the first day of shooting.
 It was then that Douglas, already unhappy with the ending, decided more rewrites were required.
 Director Ted Kotcheff and producers Mario Kassar and Andrew G. Vajna strongly disagreed and Douglas left the production.
 Richard Crenna was then contacted and arrived on set the next day.
 Marketing stills of Kirk Douglas in the uniform of Col. Trautman exist and are now part of the extras on the DVD of "First Blood".
David Wark Griffith (January 22, 1875 – July 23, 1948) was an American director, writer, and producer who pioneered modern filmmaking techniques.