Will Ferrell and John C. Reilly are Holmes and Watson in the new trailer

Will Ferrell and John C. Reilly are Sherlock Holmes and Dr. Watson and the first trailer has been released.

A humorous take on Arthur Conan Doyle’s classic mysteries featuring Sherlock Holmes and Doctor Watson.

The film also stars Kelly Macdonald as Mrs. Hudson, Ralph Fiennes as Moriarty, Rebecca Hall as Dr. Grace Hart, Hugh Laurie as Mycroft, Rob Brydon as Inspector Lestrade and Pam Ferris as Queen Victoria.

Etan Cohen directs the film, which is due out in December 2018.