Sherlock Holmes: A Game of Shadows is a 2011 British-American action mystery film directed by Guy Ritchie and produced by Joel Silver, Lionel Wigram, Susan Downey and Dan Lin. It is a sequel to the 2009 film Sherlock Holmes, based on the titular character created by Sir Arthur Conan Doyle. The screenplay was written by Michele Mulroney and Kieran Mulroney. Robert Downey, Jr. and Jude Law reprise their roles as Sherlock Holmes and Dr. John Watson and were joined by Noomi Rapace as Simza and Jared Harris as Professor Moriarty.Holmes and Watson join forces to outwit and bring down their most cunning adversary, Professor James Moriarty. Although influenced by Doyle's short story "The Final Problem", the film follows an original story and is not a strict adaptation. toolbar builder toolbar builder Movie details : Directed by: Guy Ritchie Produced by: Joel Silver,Lionel Wigram,Susan Downey,Dan Lin, Written by: Michele Mulroney,Kieran Mulroney,