Lesley (Invasion of the Bane)
From Tardis Wiki, the free Doctor Who reference
Lesley was the PA and secretary to Mrs. Wormwood at the Bubble Shock! factory.
Biography
Lesley tried to kill Sarah Jane Smith in a lift. She was unsuccessful, and Sarah Jane subsequently escaped. Injured, Lesley went back to Mrs Wormwood and told her that Sarah Jane escaped. (TV: Invasion of the Bane)
