Mark Gatiss is an English actor, comedian, screenwriter, director, producer and novelist. He is best known for his work in television acting in and co-creating shows with Steven Moffat. Gatiss has received several awards including a BAFTA TV Award, a Primetime Emmy Award, a Peabody Award, and two Laurence Olivier Awards.

Steven William Moffat is a Scottish television writer, television producer and screenwriter. He is best known for his work as the second showrunner and head writer of the 2005 revival of the BBC sci-fi television series Doctor Who and co-creating and co-writing the contemporary crime drama television series Sherlock, based on Sir Arthur Conan Doyle's Sherlock Holmes stories. In the 2015 Birthday Honours, Moffat was appointed Officer of the Order of the British Empire (OBE) for his services to drama.