Toos Looks Worried. Well She Might. Later She Gets Strangled By A Demented Robot.

Pamla Salem with her well-rounded vowels was first heard rather than seen as the voice of the demented computer Xoanon in The Face of Evil. In the very next story, however, she had a more substantial part as Toos, one of the mining explorers aboard the ship afflicted by the Robots of Death. 11 years later she was Rachel, the scientific advisor from Cambridge in 1963 London for Remembrance of the Daleks.

Rachel Just Has Daleks and The Doctor To Deal With.