Greg Kramer (11 March 1961, Hertfordshire, England – 8 April 2013, Montreal, Quebec, Canada) was a British-Canadian actor, director, writer, and magician. He is best known as Ephor #1 in 300 (2006), RAF #2 in The Day After Tomorrow (2004), and Mississippi Gene in On the Road (2012). On television he was a regular on Forever Knight and Once a Thief, and voiced Nemo in Arthur (1999–2013). He was also a novelist and stage director, winning a Best Director MECCA Award for Cat on a Hot Tin Roof (2008). He was found dead in his Montreal apartment in April 2013; police ruled out foul play.