Adam Sandler, Cher, Jon Favreau, Sylvester Stallone and Judd Apatow will provide voices for the animals in MGM's live-action comedy The Zookeeper, starring Kevin James and Rosario Dawson.
Sandler, whose Happy Madison production company is also a producer on the film, will voice a capuchin monkey. Cher's voicing a giraffe, Favreau a bear, Stallone a lion and Apatow an elephant.
Jim Breuer, Faizon Love and Bas Rutten round out the voice cast.
The film centers on zoo animals trying to teach the keeper their methods of dating and mating to help him win back the woman of his dreams. Frank Coraci is directing from a screenplay by Jay Scherick and David Ronn, James, Rock Reuben and Nick Bakay.
Shooting is set to start in late summer for an Oct. 8, 2010, release.