Beyond Paradise star Zahra Ahmadi has bagged a new role that's a far cry from her character Esther Williams in the BBC series. The actress will be seen as Mehreen Askari-Evans, an intelligence operative, sharing screen space with Endeavour star Shaun Evans and Romola Garai . The four-part series is set in the world of MI5 and explores the complex web of human relationships, where loyalty and deception are at odds. Zahra's look for this role is a stark contrast to her character in Beyond