The story will be a comedic take on the famous detective Sherlock Holmes. Character details are being kept under wraps.
Etan Cohen wrote the screenplay and is also directing the film, which recently began shooting in London. Producers on the project are Ferrell, Adam McKay, Jimmy Miller and Clayton Townsend.
Reilly and Ferrell have worked on two previous movies together — “Talladega Nights” and “Step Brothers.” Ferrell will star as Holmes while Reilly is playing his sidekick Dr. Watson.
Fiennes’ last credits include “A Bigger Splash,” “Hail, Caesar!” and “Kubo and the Two Strings.” He will next voice the character of Bruce Wayne’s butler, Alfred Pennyworth, in “The Lego Batman Movie,” which will hit theaters next month.
Laurie’s most recent credits include “Veep” and “The Night Manager,” for which he is up for a Golden Globe this weekend. He was last seen on the big screen in “Tomorrowland.”
Fiennes is represented by CAA and Wolf-Kasteler Public Relations.