Dan Shea is a Canadian actor, stuntman, and stunt coordinator for the Stargate series, and the stunt coordinator for Psych on the USA Network. He was Richard Dean Anderson's stand-in on MacGyver. During his time working as Richard Dean Anderson's stunt double and former stand-in on Stargate SG-1, he decided to audition for the role of MSgt. Sylvester Siler and was given the part. In addition to his credited roles, he also appears as Siler in the background of many episodes, usually alongside a cameo from director Martin Wood. The two can be seen having discussions while holding a large wrench. Dan's charactors name MSgt. Sylvester Siler plays on Mr. Shea's good humor of the slight lisping in his speech characterized by the inability to correctly pronounce the sounds of s or z , known as the sibilant consonants. Dan is father of actress Joey Shea and actress Stephanie Shea.
- Stargate SG-1
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