Marnie McPhail
Maria Wong (voice) /

Alicia Silverstone
Sharon Spitz (voice)

Peter Oldring
Conner MacKenzie (voice) /

Stacey DePass
Sharon Spitz (voice) / / Carol (voice)

Daniel DeSanto
/ Brock Leighton (voice)

Vince Corazza
Alden Jones (voice)

Michael Cera
Josh Spitz (voice)

Emily Hampshire
/ Alyson Malitski (voice)

Dan Petronijevic
Adam Spitz (voice) /

Tamara Bernier
Helen Spitz (voice) /

Katie Griffin
Nina Harper (voice)

John Robinson
Richard Spitz (voice)

Brock Leighton

Alyson Court
(voice)

Elisa Moolecherry
Hannah Corbett (voice)

Dwayne Hill
Dr. Hertz (voice)

Carolyn Scott
Mrs. Harper (voice) (uncredited)

Maryke Hendrikse

Tajja Isen

Jordan Allison