Ralph Fiennes, Hugh Laurie to play mystery characters on 'Holmes and Watson'

Actors Ralph Fiennes and Hugh Laurie have joined Will Ferrell and John C Reilly in Holmes and Watson. 

In the third team-up for Ferrell and Reilly after Talladega Nights and Step Brothers, Ferrell is starring as Holmes and Reilly is playing his erstwhile sidekick, Dr Watson in the movie, while character details of Fiennes and Laurie are still under wraps, according to The Hollywood Reporter.

Ethan Cohen is directing the film, which is a comedic take on literature's great detective, Sherlock Holmes, while Ferrell, Adam McKay, Jimmy Miller and Clayton Townsend are producing.