Passage: Sladen played Sarah Jane in several audio plays. Two of them were produced for BBC Radio, The Paradise of Death (Radio 5, 1993), and The Ghosts of N-Space (Radio 2, 1996), together with Jon Pertwee and Nicholas Courtney. In 1997, Sladen won Hall Of Fame Actress in Cult TV Awards Big Finish Productions produced two series of Sarah Jane Smith audio adventures set in the present day, released in 2002 and 2006. Her husband, Brian Miller, appeared in the story Ghost Town. Her daughter Sadie appeared in the audios.

Question: What character has Sladen played many times?
Sarah Jane