Michael Bell
Allstar Seaworthy/ Bigweed/Elder #4
Frank Welker
Tooter Shelby/ Occy/ Grandpa Wetworth/ Great Snork Nork/ Finneus
Barry Gordon
Junior Wetworth/ Governor Wetworth
Edie McClurg
Ms. Seabottom/ Mrs. Seaworthy
Clive Revill
Dr. Galeo Seaworthy (voice)