<Li> Ciara Baxendale as Izzy, the sweet but ditzy girl of the group . Often cheerful and optimistic, Rae describes her as never having a negative thought . She is in a relationship with Chop . </Li> <Li> Darren Evans as Danny Two Hats, a resident of the psychiatric hospital and later, due to the death of Tix at the end of series one, Rae's friend . </Li> <Li> Sophie Wright as Tix (series 1 & 3), a resident of the psychiatric hospital and Rae's other best friend . In the series 2 opener, it is revealed that she died due to over-exercising and refusing to eat at the end of the previous series . She makes a cameo appearance in the final episode of series 3 as Rae reflects on her teenage years and when rae sees everyone in the reflection of the train window . </Li> <Li> Turlough Convery as Liam Owen (series 2 & 3), Rae's new friend / love interest who attends group therapy with her in Series 2 . He makes a cameo appearance in the final episode of series 3 When rae sees everyone in the reflection of the train window . </Li>

Who plays tix in my mad fat diary