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Critical Mass - Cast Appearances

Lt. Colonel John Sheppard

Joe Flanigan

as Lt. Colonel John Sheppard

Dr. Rodney McKay

David Hewlett

as Dr. Rodney McKay

Teyla Emmagan

Rachel Luttrell

as Teyla Emmagan

Ronon Dex

Jason Momoa

as Ronon Dex

Dr. Elizabeth Weir

Torri Higginson

as Dr. Elizabeth Weir

Dr. Carson Beckett

Paul McGillion

as Dr. Carson Beckett

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