A travelling actress who secretly murdered the surviving witnesses who could identify her father as Kodos the Executioner.
Lenore Karidian is a performer in the Karidian Players, a touring Shakespearean company led by her father Anton Karidian. Kirk becomes attracted to her while investigating whether Karidian is in fact Kodos, the governor who ordered the massacre on Tarsus IV.
Lenore has been killing the few people who saw Kodos's face, and she poisons Kevin Riley aboard the Enterprise. In the final confrontation she fires at Kirk, but her father steps into the path of the phaser and is killed. Her mind breaks, and she is taken away for care. She was played by Barbara Anderson.