Mark Gatiss and Steven Moffat
(Picture: Dave Benett)Writer Steven Moffat said the friend whose true story inspired his hit West End play let him use the idea — as long as he invited him to the opening night.
Unfriend stars Reece Shearsmith and Amanda Abbington as timid couple Peter and Debbie, who are too polite to stop a brash American, played by Frances Barber, from inviting herself to stay.
