Michael Yarmush as Arthur (voice)

Oliver Grainger as D.W. (voice)

Bruce Dinsmore as Binky / Dad (voice)

Daniel Brochu as Buster (voice)

Jodie Resther as Francine (voice)

Melissa Altro as Muffy (voice)

Steven Crowder as Alan "The Brain" Powers (voice)

Arthur Holden as Mr. Ratburn (voice)

Sonja Ball as Mom / Quackers (voice)

Joanna Noyes as Grandma Thora (voice)

Jonathan Koensgen as Tommy Tibble (voice)

Ricky Mabe as Timmy Tibble (voice)

Mark Camacho as Oliver Frensky / Security Guard (voice)

Mitchell David Rothpan as George (voice)

Ellen David as Bitzi / Old Woman (voice)