Kasrene

Kasrene was a Tholian Ambassador or the 23rd Century and led the envoy sent to meet with Aidan Burgess and the crew of the USS Excelsior (NCC-2000) to attempt to come to a detente between the United Federation of Planets and the Tholian Assembly. However, during negotiations when it was thought by her team that she was about to release vital classified information she was killed by her deputy Mosrene when he sliced through her Environmental suit and thorax with a monoblade.