Dan Shea

Dan Shea is a Canadian actor and stunt coordinator known for playing Sgt. Siler on Stargate SG-1 and Stargate Atlantis. Born in Ontario on December 23, 1954, he attended the University of Waterloo, where he studied kinesiology, and later worked as a stunt performer in Vancouver. He served as Richard Dean Anderson's stand-in on MacGyver and went on to be Anderson's stunt double and the stunt coordinator on Stargate SG-1. Shea appeared alongside Anderson in episodes of MacGyver, Stargate SG-1, and Stargate Atlantis, and in the season 1 episode Tin Man he played a clone of Anderson's character, Colonel Jack O'Neill. He received a credit on all 214 episodes of Stargate SG-1 for acting, stunt doubling, or stunt coordination. Shea also coordinated stunts on X-Men: The Last Stand and on the series Psych. He played the zombified Father Buckner in The Cabin in the Woods (2012).