running character in the history of Star  Trek. He appeared in all seven seasons of  _"Star Trek: The Next Generation" (1987)_ (qv), four seasons  (starting with the fourth) of  _"Star Trek: Deep Space Nine" (1993)_ (qv), and all four Next  Generation films. In addition, Michael Dorn (I) (qv) played  Colonel Worf, the attorney defending Kirk and McCoy, in the sixth  Star Trek film,  _Star Trek VI: The Undiscovered Country (1991)_ (qv).