Question: who played the caveman in night at the museum secret of the tomb

title: Night at the Museum: Secret of the Tomb
text: On January 21 , 2010 , co-writer Thomas Lennon said to Access Hollywood , `` I think it 's a really outstanding idea to do Night at the Museum 3 , in fact . I wonder if someone 's not even already working on a script for that . I can not confirm that for a fact , but I can not deny it for a fact either ... It might be in the works . '' In an October 2011 interview with The Hollywood Reporter , Stiller confirmed the sequel , however , he said that it was only in the `` ideas stage '' . In February 2013 it was announced that the film , directed by Shawn Levy , would be released on December 25 , 2014 . On September 10 , 2013 , it was announced that shooting would start in February 2014 .