Takol

 was a Major on YT45. She wanted to know about the Fifth Doctor, why he was there, and was suspicious of him. She was interested in the ability of the Kyropite's to unlock telepathic abilities in human's. She stopped Hayton from allowing Peri Brown to die, but this was a ploy as they thought the Doctor was part of the Federation Drugs Agency. (AUDIO: The Mind's Eye)