Guest Stars Grace Vance as Molly Drake Joseph Long as Luigi Geff Francis as Viv James Amelia Bullmore as Caroline Price Stephen Campbell Moore as Evan White Andrew Clover as The Clown Lucy Cole as Young Alex Anna Wilson-Jones as Joan Cale Phil Davis as Chas Cale Asa Butterfield as Donny Sid Mitchell as Billy Dane Madhav Sharma as Mr Chatterjee