Christopher Guest has joined the cast as Ivan the Terrible in the newly-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 wrote both “Museum” films, will make a cameo in the sequel, playing the Wright brothers.
The sequel is currently shooting in Vancouver.