Guest Stars Cathy Shipton as Lisa 'Duffy' Duffin Gregory Foreman as Louis Fairhead Chelsee Healey as Honey Wright Baxter Westby as Young Charlie Ryan Owen as Young Charlie Amy Noble as PC Kate Wilkinson Keenan Munn-Francis as Gary `Grubster' Odabe Sean Murray as Charlie's father Claire Benedict as Olivia Costelloe Orlando Wells as Mark Andrews Tiffany Brown as Roxanne Daly Sarah-Louise Tyler as Nurse Lucy Grattan as Sarah Andrews Louis Chandler-Joseph as Jackson Costelloe Kirsten Clark as Mrs Boyd Kate Lynn Evans as Dorothy Blakestone Howard Corlett as Rey Buono Emmy Happisburgh as Charlie's mother Carolina Giammetta as DS Rashokan Alfie Kingsnorth as OJ