Cast[]
- Jon Arbuckle as Mario
- Garfield as Yoshi
- Dr. Liz Wilson as Princess Rosalina
- Happy Chapman as Toad
- Happy's butler as Wario
- Christopher Merllo as Bowser
- Mrs. Baker as Princess Peach
- Little Girl as Princess Daisy
- Raccoon Lodge Member as Waluigi
- News Reporter as Bowser Jr.
- Engineer as Luigi
- Louis as Wart
- Persnikitty as Mouser
- Nermal as Lemmy Koopa
- Lucas as Morton Koopa, Jr.
- Arlene as Toadette
- Dad Rat as Oogtar
- Mom Rat as Birdo
- Kid Rat #1 as Iggy Koopa
- Kid Rat #2 as Detective Herlock Solmes
- Kid Rat #3 as Ludwig Von Koopa
- Spanky as Toadsworth