Guest Stars Damien Molony as Jon Nina Toussaint-White as Lucy Caroline Ginty as Caroline Dustin Demri-Burns as Simon Karl Theobald as Therapist Dylan Edwards as Billy Pauline McLynn as Mum Llewella Gideon as Linda Eliot Salt as Frances Alfie Brown as Mark Tiff Stevenson as Tania Lisa Hammond as Driving Examiner James Oliver-Wheatley as Tattoo Man
