Casualty: Patrick tells Faith she can prescribe drugs again Casualty 's Faith Cadogan (played by Kirsty Mitchell) has made the huge decision to train as a doctor in the long running BBC medical drama. In recent weeks she has been seen applying to study and turning to Dylan Keogh (William Beck) for guidance about the decision. Speaking exclusively to Express.

co.uk Kirsty explained what has instilled this seemingly sudden drive for a career change in the mum of three. "They showed in one episode where she's being slightly undermined or dismissed and I think that starts to get under her skin," she admitted.

"There's a sense of I have to have a different label for people to not undermine me, or stop presuming that I don't know what I'm doing. "Then she realised how much she knows and what she survived and she wants to take things to the next level and just move up and become a doctor," she said. READ MORE: Michael Mosley's heartbreaking prediction leaves viewers in tears Faith Cadogan has decided to train as a doctor in Casualty (Image: BBC) "But I think there have been certain little things and signs from her that she's just ready to move to the next level [prior to this]," she ruminated.

Indeed Kirsty feels this may always have been a part of Faith's plan. "When I started on the show five years ago she'd just gone back to work at that point after having a lot of time off with the kids. "Maybe it's something that she's always wanted to do and always intended to do, and now that .