Michael Bell Allstar Seaworthy Voice B.J. Ward Casey Kelp Voice Barry Gordon Wellington Wetworth Jr. Voice Nancy Cartwright Daffney Gillfin Voice Frank Welker Tooter Shelby Voice Brian Cummings Dimitris "Dimmy" Finster Voice Edie McClurg Mrs. Seaworthy Voice Clive Revill Galeo Voice Fredricka Weber Willie Wetworth Voice Joseph Barbera Executive Producer William Hanna Executive Producer Freddy Monnickendam Executive Producer