Producer of over 25 short films for the National Film Board of Canada beginning in the 1980s. Chairman and CEO of Alliance Atlantis Communications, a film and television program distribution company and owner and launcher of cable TV channels. Since 1986, MacMillan has produced or executive produced extensively for television, including the series "Monkey House" (1991), "Neon Rider" (1992) and "White Fang" (1993). His most recent TV credits include "Stranded Yanks: A Diary Between Friends" (2002) and the 2007 feature film THE STONE ANGEL, written and directed by Kari Skogland and starring Ellen Burstyn.  Nominated for Short Films (Live Action) 1984: THE PAINTED DOOR - Producer (w. Janice L. Platt) 1 nomination