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Sid is a Scientologist.
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Sid turned down the role of Marsellus Wallace in Pulp Fiction (1994), telling director Quentin Tarantino the title of the film sounded "too TV."
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Sid filmed all of his scenes for Little Big Top (2006) while suffering from walking pneumonia.
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Sid formed his own production company, The Haig Group, with his future wife Susan Mosesian, in 2006.
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Sid was the drummer for the T-Birds band in the late 1950s.
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Sid first started performing at the age of 7, being a paid dancer for a children's Christmas program.
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Sid was married to his assistant, Susan L. Mosesian, on November 2, 2007.
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Sid was a guest of honor at director/musician Rob Zombie's wedding. According to Sid, Rob was awed at having "Dragos" there as he and his brother watched Jason Of Star Command on a regular basis as kids.
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Sid has found new popularity as the evil Captain Spaulding, in horror movies House Of 1000 Corpses (2003) and The Devil's Rejects (2005).
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Sid appeared in two movies with Pam Grier, both having "brown" in their titles: Foxy Brown (1974) and Jackie Brown (1997).
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Sid is a trained and certified hypnotherapist.
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Sid is 6 feet 4 inches tall.