T'Jon was an Ornaran captain, commanding officer of the Sanction, a vessel used to transport goods to the Brekkians in exchange for medication, called felicium, for a plague. He assumed command of his ship in 2357, and, by 2364, had made twenty-sixth voyages to Brekka. T'Jon was part of Commander William T. Riker's memories while being infected on the surface of Surata IV and treated in sickbay. (TNG: "Shades of Gray" ) T'Jon was played by actor Merritt Butrick. "tuh-ZHON" was the pronunciation for this character's name from the script pronunciation guide. [1]