Anka was a Troglyte miner and member of the revolutionary group known as the Disrupters on the planet Ardana.
When Vanna beamed down to the mines with Captain James T. Kirk, Anka helped subdue the captain. He wanted to kill Kirk but was ordered by Vanna to alert the other Disrupters to keep a look out for any people trying to rescue Kirk. (TOS: "The Cloud Minders")
Anka was portrayed by Fred Williamson.