Cast[]
- Stan Marsh as Mario
- Kyle Broflovski as Luigi
- Wendy Testaburger as Peach
- Bebe Stevens as Daisy
- Linda Stotch as Rosalina
- Stuart McCormick as Metal Mario
- Kenny McCormick as Yoshi
- Tweek Tweak as Toad
- Jimmy Valmer as Koopa Troopa
- Timmy Burch as Shy Guy
- Mr. Garrison as Lakitu
- Sally Darson as Toadette
- Bradley Biggle as Baby Mario
- Token Black as Baby Luigi
- Liane Cartman as Baby Peach
- Carol McCormick as Baby Daisy
- Sharon Marsh as Baby Rosalina
- Sheila Broflovski as Pink Gold Peach
- Eric Cartman as Bowser
- Randy Marsh as Donkey Kong
- Clyde Donovan as Wario
- Craig Tucker as Magikoopa
- Agent Keen as Iggy
- Mr. Mackey as Roy
- Agent Sharp as Lemmy
- Prosecutor as Larry
- Shelly Marsh as Wendy
- Stephen Stotch as Ludwig
- Jimbo Kern as Morton
- Gerald Broflovski as Tanooki Mario
- Principal Victoria as Cat Peach
- Skeeter as Link
- Butters Stotch as Villager
- Red as Isabelle
- Scott the Dick as Dry Bowser