Anne Marie Bickerton
Jan Ravens is probably best known for several series of Dead Ringers, broadcast first on Radio 4 then BBC2, when she voiced all the female characters from Kirsty Wark and Fiona Bruce to Ann Widdecombe and Nigella Lawson. Before that she was part of the Spitting Image team, appeared on Alexei Sayle's Stuff and in sitcoms No Frills and The Grimleys. She has also appeared in 2DTV and Alastair McGowan's Big Impression.