Cast[]
- Mario as Lazlo (Both are the main characters)
- Luigi as Raj (Both are timid)
- Yoshi as Clam
- Bowser as Scoutmaster Lumpus (Both are vain)
- Donkey Kong as Slinkman
- Toad as Samson
- Peach as Pasty
- Waluigi as Edward
- Baby Mario as Larry
- Baby Luigi as Louie
- Wario as Dave
- Geno as Ping-Pong
- Henry as Leonard
- Orville as Liniment
- Smithy as Commander Hoo Haw
- Lemmy "Hip" Koopa as Chip
- Iggy "Hop" Koopa as Skip
- Pauline as Nurse Leslie
- Birdo as Nina
- Rosalina as Gretchen
- Mona as Jane Doe
- Kammy Koopa as Mrs. Mucus
- Starlow as Almondine
- Piatna as The Old Turtkle
- Toadsworth as The Big Bean
- Dark Bowser as The Bear