Lisa was the unseen radio operator for the firm who employed Ron Mather as a black cab taxi driver. Ron had driven Elsie Tanner home after a disappointing night at the pictures. He had fallen for her and the next day while driving his cab he radioed into base and asked Lisa to telephone Weatherfield 8825 and ask Elsie if he could pop in for a quick cuppa. She did so and Ron and Elsie's romance moved on a stage further.

Credited in full as "Lisa, Taxi Office Girl", the character was heard over the radio in Ron Mather's cab but unseen on screen.
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