Dee Bradley Baker

Louie (voice)

Jason Alexander

Father (voice)

Mary Steenburgen

Mother (voice)

Reese Witherspoon

Serena (voice)

Seth Green

Boyd (voice)

Carol Burnett

Mrs. Hammerbotham (voice)

Joe Mantegna

Monty (voice)

Sam Gifaldi

Sam the Beaver (voice)

Melissa Disney

Billie (voice)