Arthur Holden
Mr. Ratburn / Bionic Bunny (voice) / Bionic Bunny (voice) / Photographer

Sonja Ball
Mrs. Read (voice) / Dr. Iris (voice)

Bruce Dinsmore
Mr. Read / Binky Barnes / Bailey (voice)

Jodie Resther
Francine Frensky (voice)

Daniel Brochu
Buster Baxter (voice)

Melissa Altro
Muffy Crosswire (voice)

Tracy Braunstein
Baby Kate (voice)

Simon Peacock
Pal (voice)

Tamar Kozlov
Prunella (voice)

Joanna Noyes
Grandma Thora (voice)

Jessica Kardos
Sue Ellen Armstrong (voice)

Eleanor Noble
George (voice)

Patricia Rodríguez
Sue Ellen Armstrong / Catherine Frensky (voice) / Sue Ellen Armstrong (voice)

Mitchell David Rothpan
George (voice) / Alex Davidson (voice)

Jonathan Koensgen
Tommy Tibble (voice)

Michael Yarmush
Arthur Read (voice)

Ricky Mabe
Timmy Tibble (voice)

Jake Sim
Tommy Tibble (voice)

Luke Reid
Alan "The Brain" Powers (voice)

Alexina Cowan
Catherine Frensky (voice)