Sylvia (Terror of the Autons)

Sylvia was Rex Farrel's secretary at Farrel Plastics.

Biography
Sylvia was asked by Rex over the office intercom if she could check McDermott's entitlement on termination of employment, after McDermott had been killed by Colonel Masters, a.k.a., with a Nestene-controlled plastic chair.

She and the rest of the staff were sent home when the Master took control of the factory to manufacture Autons and other Nestene-controlled plastic products for the upcoming invasion. (TV: Terror of the Autons)

Behind the scenes

 * Sylvia is only mentioned twice in the whole episode, by McDermott in episode one and Rex Farrel in episode two; and is never seen nor heard on-screen.