Time Lord (The Three Doctors)
From Tardis Wiki, the free Doctor Who reference
After a report on the Doomsday Weapon went missing from the Time Lords' files, a Time Lord was part of a group that decided to send the Third Doctor to the planet Uxarieus to investigate. (TV: Colony in Space)
Sometime later, he assisted in a control room during the crisis that required the help of the first three incarnations of the Doctor. (TV: The Three Doctors)