Christopher Guest is taking it up to 11 for Fox’s sequel to Night at the Museum.
The Spinal Tap star has joined the cast as Ivan the Terrible for the comedy adventure, officially titled Night at the Museum: Battle of the Smithsonian.
Also joining the cast are Jon Bernthal (Al Capone), Bill Hader (Gen. George Armstrong Custer) and French actor Alain Chabat (Napoleon).
The film, directed by Shawn Levy, reunites lead Ben Stiller with castmates Robin Williams, Ricky Gervais and Owen Wilson.
Robert Ben Garant and Thomas Lennon, who penned both Museum films, will make a cameo in the sequel, playing the Wright brothers.