|Place of origin:||Earth|
|Appearances:||WC: Shada, AUDIO: Shada, PROSE: Shada, PROSE: Falls the Shadow|
|Main actor:||Victoria Burgoyne|
|Main voice actor:||Susannah Harker|
Clare Keightley was a student of Cambridge University in 1979. She aided Chris Parsons in his attempts to analyse The Worshipful and Ancient Law of Gallifrey, which he had borrowed from Professor Chronotis. They later helped the Doctor defeat Skagra's plans.