Chicki

Chicki was an inhabitant of a human colony secretly ruled by Macra.

She happened upon the Second Doctor when he was trying to break Medok out of his cell and asked if he needed help, but left when the Doctor said he had just dropped something. (TV: The Macra Terror)

Behind the scenes

 * Chicki was not named in the story, only in the credits. She was played by Sandra Bryant in episode one, but Bryant was released from her contract and was played by Luan Peters (under the name Karol Keyes) in episode four. (DWM 308)