Which English actress was introduced in an episode of Jonathan Creek?
The Grinning Man: "The Grinning Man" is a feature-length episode of the BBC crime drama series "Jonathan Creek", first broadcast on 1 January 2009. The Grinning Man:  Stuart Milligan returned to the series as Jonathan's boss, magician Adam Klaus, while the episode also introduced Sheridan Smith as Joey Ross, Jonathan's crime-solving assistant. Sheridan Smith: Sheridan Smith, OBE (born 25 June 1981) is an English actress, singer and dancer.
Sheridan Smith