Natalie Cassidy has opened up about her exit from EastEnders. The actress has decided to quit the BBC soap after over 30 years playing Sonia Jackson. It is not known how Sonia will leave the show but there have been theories she could die as part of the soap's 40th anniversary. Sonia has been part of some huge storylines, most recently nearly ending up in prison for the murder of Reiss' wife Debbie, which we know Reese actually committed in a bid to get rid of his wife - who was in a coma - for