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 Lydia Leonard as Sara Templeton Simon Kassianides as Mortuary Assistant Lucy Briers as Patty Paul Thornley as Ian Kay Michael Hadley as Harvey Dunn Sarah Kants as Erin Jeanie Gold as Party Goer