Christopher played Ambassador Joseph Faxon in two episodes of Stargate SG1 ( 2001 and 2010 ). He has also been in Terriers, Breaking Bad, Vanished, Nikita, Glee, Revolution, Matador and Longmire. IMDB Twitter
Cary played Kurghan in the Stargate SG1 episode Emancipation, he has also appeared on Revenge, Heroes, Elektra, Mortal Kombat: Legacy, 47 Ronin and Hawaii Five-0.
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David was Avrid in the Atlantis episode Epiphany and appeared twice in Stargate SG1 as Simon (Demons) and Hanno (Cor-ai), he has also appeared on Blood Ties, Cold Squad and The Outer Limits. IMDB