Ricky Gervais has joined the cast of Ben Stiller's new action comedy 'Night at the Museum'.
Empire Online reports that the film follows the misadventures of a museum nightwatchman (Stiller) who releases an ancient curse.
The cast of the film also includes Robin Williams, Mickey Rooney and Dick Van Dyke.
Stiller had a cameo role in Gervais' latest series 'Extras'.
