Duncan Regehr is the son of a British -born mother and a German -born father from Russia. He was initially figure skater and Olympic boxer in expression of the sport. Regehr, who is a gifted painter since his youth, could exhibit some of his works in 1974 at the Stratford Festival in Ontario. His works can be found today in the Jilin Collection, the art galleries in Copenhagen, the Getty Museum and the Syllavethy Collection of Scotland.
In 1977, he began his film career in the Canadian television series The Newcomers. The first appearance in a film role came a year later, in the short film The War Is Over. In movies he appeared only sporadically thereafter, his career was primarily in television roles. In 1980 he went to Hollywood. A first major role was played by Regehr in the two-parter Goliath - sensation after 40 years. His international breakthrough came in 1984 with the celebrated mini-series The Last Days of Pompeii after the novel by Edward Bulwer- Lytton George. This was followed by the lead role in The Errol Flynn Legend (1985) and a small but profiled supporting role in V - The Final Battle (1984 /85). From 1990 to 1993 he played in the television series Zorro in 88 episodes, the main role. He had guest roles among others in the series Star Trek: The Next Generation and Deep Space Nine. In 1996 he won the American Vision Award of Distinction in the Arts, and in 2000 he was honored by the Royal Canadian Academy of Art for his life's work. In 2008 he received an honorary doctorate from the University of Victoria.