Mark Jameson is a character from Star Trek: The Next Generation, featured in the first-season episode "Too Short a Season." A career Starfleet officer who rose to the rank of admiral, he was long celebrated for negotiating a hostage release on Mordan IV, though he had secretly armed both sides of the conflict, igniting decades of civil war.
Stricken with the incurable Iverson's Disease, the aged Jameson secretly took an age-reversing drug from Cerberus II, overdosing in a bid to atone by returning to Mordan IV. The unstable drug ultimately killed him. He was portrayed by Clayton Rohner.
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