Duncan Rennie (born Kirkcaldy, 6 January 1977) is a Scottish film, television, and state actor.
A graduate of Edinburgh College of Art, Rennie worked extensively in Scottish film and television in production before becoming an actor.
Rennie has featured in several Scottish films, including Bulb (BAFTA NEW TALENT 2008, Innovation Winner), Dach (BAFTA Scotland 2007 nominee, 2008 SSOS Technical Excellence Winner), A Map with Gaps (Grand Jury Best Short Documentary at Slamdance Film Festival 2007), Grace, The Eskimo and The Wolf and Cotopaxi (BAFTA SCOTLAND 2005 Best Film nominee). He also had cameo performances in Sixteen Years of Alcohol, Hallam Foe and The New Ten Commandments. Rennie was also in director Norman Stone’s film, The King James Bible, playing Guy Fawkes.
Rennie's television work includes the lead in Science Scams: The Meinertzhagen Collection and Wearside Jack: The Ripper Hoaxer for Channel 4 and ‘'BBC Timewatch The Last Duel'’ and ‘'History of Scotland'’ for the BBC.
Rennie portrayed Robert the Bruce in Aisling’s Children at the ‘'The Gathering: Homecoming 2009.’' This work was performed to an international audience in Edinburgh Castle. Rennie has played Jesus Christ in the Passion Plays Life of Jesus Christ, Easter Play and Glasgow Passion, by director Suzanne Lofthus. He also played Jesus in Das Abra’s Gospel of St.Thomas.
Duncan is married with a son, born in July 2008.