Lee Mack and Sarah Alexander star in The Unfriend | Teaser clip
A person, often met on holiday, who doesn't understand that "let's keep in touch" means "goodbye." Sometimes a murderer. BAFTA Award winning comedian Lee Mack (Not Going Out, Would I Lie To You?) and Sarah Alexander (Coupling, Smack The Pony) join Frances Barber (Silk, Doctor Who) as she reprises her force of nature performance in this smash hit comedy from writer Steven Moffat and director Mark Gatiss, the celebrat…