Nick Cassavetes and Donald Cammell, are actors?
Donald Cammell Donald Seaton Cammell (17 January 1934 – 24 April 1996) was a Scottish film director who has a cult reputation thanks to his debut film "Performance", which he co-directed with Nicolas Roeg.
David Nykl David Nykl (born 7 February 1967) is a Czech Canadian actor of film, television, commercials and theater. He is best known for portraying Dr. Radek Zelenka in the SyFy television series "Stargate Atlantis", and Anatoly Knyazev in DC's comics' popular series Arrow.