The Croods is a 2013 American computer-animated adventure comedy film produced by DreamWorks Animation and distributed by 20th Century Fox. The film was written and directed by Kirk DeMicco and Chris Sanders, and stars the voices of Nicolas Cage, Emma Stone, Ryan Reynolds, Catherine Keener, Clark Duke, and Cloris Leachman. The film is set in a fictional prehistoric Pliocene era known as "The Croodaceous" when a prehistoric caveman's position as a "Leader of the Hunt" is threatened by the arrival of a genius who comes up with revolutionary new inventions as they trek through a dangerous but exotic land in search of a new home