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Jack Black and Zach Galifianakis have signed on to appear in Disney's Muppets movie, reports TheWrap.

Besides Black and Galifianakis, Billy Crystal, Jean-Claude Van Damme and Oscar winner Alan Arkin have also been tapped to join leading man Jason Segel, who also co-wrote the script with Nicolas Stoller (Forgetting Sarah Marshall).

Donald Glover and Danny Trejo join the cast of the new Muppets movie

Black will play a kidnap victim, Galifianakis a hobo and Arkin a tour guide. No word on Crystal's role in the film.

Donald Glover, Danny Trejo, Amy Adams, Chris Cooper and Rashida Jones were previously cast in the film.