The person who portrayed Dr. John Watson in Sherlock Holmes (2009 film) is an English actor that was born in January of 1972. He was part of the ensemble cast of the movie Scott Z, which Burns wrote that screenplay for.
 The film features an ensemble cast that includes Marion Cotillard, Bryan Cranston, Matt Damon, Laurence Fishburne, Jude Law, Gwyneth Paltrow, Kate Winslet, and Jennifer Ehle. 
David Jude Heyworth Law (born 29 December 1972) is an English actor. 
" (2009), and "Contagion" (2011), all of which feature Matt Damon. 
 Robert Downey Jr. and Jude Law portray Sherlock Holmes and Dr. John Watson respectively. 
