The show returned with five webisodes in late 2010. Series four and five followed, featuring Potts and Spearritt and co-star Ben Miller with additional new cast members including Ben Mansfield and Ciarán McMenamin. During the break in filming, Potts and Spearritt underwent a physical transformation to conform with the plotline of the programme, which had matured their characters. "I'd played Connor for a few years and in a way he was always kind of the underdog and told what to do. In series four and five, though, he stepped up a bit and wanted to show and prove what he could do and what Cutter believed was in him from the start...I'm very grateful for what the writers gave me to do and I just hope that I did the material justice."