Sam Weisman Director Brendan Fraser George Actor Leslie Mann Ursula Stanhope Actor Thomas Haden Church Lyle van de Groot Actor Richard Roundtree Kwame Actor John Cleese An Ape named "Ape" Voice Greg Cruttwell Max Actor Abraham Benrubi Thor Actor Holland Taylor Beatrice Stanhope Actor Kelly Miracco Betsy Actor John Bennett Perry Arthur Stanhope Actor Dana Olsen Screenwriter Audrey Wells Screenwriter David Hoberman Producer Jordan Kerner Producer Jon Avnet Producer C. Tad Devlin Executive Producer Marc Shaiman Original Music Thomas E. Ackerman Cinematographer Roger Bondelli Film Editing Stuart H. Pappé Film Editing Amanda Mackey Casting Cathy Sandrich Casting Stephen Marsh Production Design David M. Haber Art Director Mark Zuelzke Art Director Kathryn Peters Set Decoration Lisa Jensen Costume Design