La groupie

Walker Boone

Mario (voice)

Tony Rosato

Luigi (voice)

Tracey Moore

Princess Toadstool (voice)

Harvey Atkin

King Koopa (voice)

John Stocker

Toad (voice)

Dan Hennessey

Bully Koopa (voice)

Tara Strong

Hip Koopa / Hop Koopa (voice)

Tabitha St. Germain

Kootie-Pie Koopa (voice)

James Rankin

Cheatsy Koopa (voice)

Michael Stark

Kooky Koopa (voice)

Gordon Masten

Big Mouth Koopa (voice)

Greg Morton

Jonathan Potts

Rod Coneybeare

Bonnie Brooks

Additional Voices/Mushroom Nanny (voice)

Fab Morvan

Fabrice of Milli Vanilli (uncredited)

Rob Pilatus

Rob of Milli Vanilli (uncredited)