Barry Sonnenfeld Director Robin Williams Bob Munro Actor Jeff Daniels Travis Gornicke Actor Cheryl Hines Jamie Munro Actor Kristin Chenoweth Mary Jo Actor Joanna "JoJo" Levesque Cassie Munro Actor Josh Hutcherson Carl Munro Actor Will Arnett Todd Actor Hunter Parrish Earl Gornicke Actor Brendan Fletcher Howie Actor Rob LaBelle Larry Moiphine Actor Brian Markinson Garry Moiphine Actor Chloe Sonnenfeld Moon Gornicke Actor Alex Ferris Billy Gornicke Actor Tony Hale Frank Actor Brian Howe Marty Actor Richard Ian Cox Laird Actor Veronika Sztopa Gretchen Actor Erika-Shaye Gair Cassie, age 5 Actor Geoff Rodkey Writer Bobby Cohen Producer, Executive Producer Lucy Fisher Producer Douglas Wick Producer Aslan Nadery Executive Producer Graham Place Executive Producer Volker Schauz Executive Producer Ryan Kavanaugh Executive Producer Matthew Robert Kelly Executive Producer Fred Murphy Cinematographer Kevin Tent Film Editing James Newton Howard Original Music Michael Bolton Production Design Kelvin Humenny Art Director Carol Lavallee Set Decoration Mary E. Vogt Costume Design Sean Cossey Casting Ronna Kress Casting