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- Pictured is Clayton Rohner.
Appears on these pages
Clayton Rohner (born 5 August 1957; age 59) is the actor who portrayed Admiral Mark Jameson in...
Mark Jameson was a career Starfleet officer in the 24th century. He joined Starfleet around the...
Federation Starfleet personnel in the 24th century often had to place their lives in danger...