Michael Yarmush

Arthur (voice)

Oliver Grainger

D.W. (voice)

Bruce Dinsmore

Binky / Dad (voice)

Daniel Brochu

Buster (voice)

Jodie Resther

Francine (voice)

Melissa Altro

Muffy (voice)

Luke Reid

Alan "The Brain" Powers (voice)

Arthur Holden

Mr. Ratburn (voice)

Sonja Ball

Mom / Quackers (voice)

Joanna Noyes

Grandma Thora (voice)

Jonathan Koensgen

Tommy Tibble (voice)

Ricky Mabe

Timmy Tibble (voice)

Mark Camacho

Oliver Frensky / Security Guard (voice)

Mitchell David Rothpan

George (voice)

Ellen David

Bitzi / Old Woman (voice)

Harry Standjofski

Uncle Fred (voice)

A.J. Henderson

Grandpa Dave (voice)