Tahmoh Penikett
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Born in the Yukon, Tahmoh Penikett is the son of former Yukon premier Tony Penikett, a member of the New Democrat Party of Canada. Tahmoh portrays Karl Agathon, call sign: Helo.
He has only recently entered the world of acting, but has wracked up an impressive list of guest appearances in genre shows such as Dark Angel, Stargate SG-1, and Smallville, as well as a lead role in the police procedural drama Cold Case.