by Sir Arthur Conan Doyle ; screenplay by Allan Cubitt ; produced by Christopher Hall ; directed by David Atwood ; a co production of BBC and WGBH Boston ; produced by Tiger Aspect Productions
a Warner Bros. Pictures presentation in association with Village Roadshow Pictures ; a Silver Pictures production ; a Wigram production ; directed by Guy Ritchie ; screenplay by Michael Robert Johnson and Anthony Peckham and Simon Kinberg ; screen story by Lionel Wigram and Michael Robert Johnson ; produced by Joel Silver, Lionel Wigram, Susan Downey, Dan Lin ; executive producers, Michael Tadross and Bruce Berman ; director of photography, Philippe Rousselot ; a Guy Ritchie film