Ricky Gervais and Emily Blunt have been added to the list of celebrity cameos in the new Muppet movie, according to The Hollywood Reporter. The list includes Alan Arkin, Jack Black, Billy Crystal, Zach Galifianakis and Jean-Claude Van Damme.

Written by star Jason Segel and Nicholas Stoller, the untitled film brings together the Muppets again in order to save a failing movie studio. The other human leads include Amy Adams, Chris Cooper and Rashida Jones. James Bobin is the director.