EastEnders actress Shona McGarty has quit the BBC soap after 15 years of playing Whitney Dean, she has announced this evening. The 31 year old has revealed that while she has "loved her years on the show" she has decided that now is the time to leave, amid a huge cast shake-up. Speaking exclusively to The Sun on Sunday, Shona said: “I have decided to spread my wings and will be leaving EastEnders.