Starfleet  officer, while  Pavel Lychnikoff  and  Lucia Rijker  play Romulans, Lychnikoff a Commander and Rijker a  CO .  W. Morgan Sheppard , who played a  Klingon  in  Star Trek VI: The Undiscovered Country , appears in this film as the head of the Vulcan Science Council.  Wil Wheaton , known for