Disney's The Muppets movie has added a slew of high-profile cameos, including Alan Arkin, Jack Black, Billy Crystal, Zach Galifianakis and Jean-Claude Van Damme, reports Heat Vision.
The Muppets is currently shooting around Los Angeles under the direction of James Bobin.
The story sees Jason Segel, who wrote the script with Nick Stoller, as the human lead who helps those wacky Muppets reunite to put on a show in order to save a movie studio.
Amy Adams, Chris Cooper and Rashida Jones are among the human actors in key roles.
Alan Arkin is a tour guide while Jack Black will play a kidnap victim. Zach Galifianakis plays a hobo. Details for others were not divulged.
It was reported that Jane Lynch would be appearing in the Muppets movie, but the Glee star denied being attached to the film.