Gul Dukat is a fictional male Cardassian in the Star Trek - Deep Space Nine series. The character was portrayed on screen by Marc Alaimo. Gul Dukat was once the overseer of Bajor but is now an ambassador of sorts between the Cardassians and the Deep Space 9. He was responsible for the death of Lt. Jadzia Dax but covers up his responsibility. He oversees the joining of Dominion.