Robin Williams

Character: Bob Munro

Cheryl Hines

Character: Jamie Munro

JoJo

Character: Cassie Munro

Josh Hutcherson

Character: Carl Munro

Jeff Daniels

Character: Travis Gornicke

Kristin Chenoweth

Character: Mary Jo Gornicke

Hunter Parrish

Character: Earl Gornicke

Chloe Sonnenfeld

Character: Moon Gornicke

Alex Ferris

Character: Billy Gornicke

Will Arnett

Character: Todd Mallory

Tony Hale

Character: Frank

Brian Howe

Character: Marty

Richard Ian Cox

Character: Laird

Erika-Shaye Gair

Character: Cassie (age 5)

Veronika Sztopa

Character: Gretchen

Rob LaBelle

Character: Larry Moiphine

Brian Markinson

Character: Garry Moiphine

Kirsten Alter

Character: Tammy

Brendan Fletcher

Character: Howie

Matthew Gray Gubler

Character: Joe Joe

Stephen E. Miller

Character: Organ Stew Guy

Malcolm Scott

Character: Kenny

Deborah DeMille

Character: Dump Lady

Chad Krowchuk

Character: Scruffy Teenager

Ty Olsson

Character: Diablo Pass Officer

Bruce McFee

Character: Independence Pass Officer

Rebecca Erwin Spencer

Character: Waitress

Giacomo Baessato

Character: Hip Hop Wannabe

Justin Chartier

Character: Hip Hop Wannabe

Andrew Botz

Character: Hip Hop Wannabe

Barry Sonnenfeld

Character: Irv