René Auberjonois

Dr. Strangesnork

Nancy Cartwright

Daffney Gilphin

Frank Welker

Tooter Shelby/ Occy/ Grandpa Wetworth/ Great Snork Nork/ Finneus

Rob Paulsen

Corky

Barry Gordon

Junior Wetworth/ Governor Wetworth

Clive Revill

Dr. Galeo Seaworthy (voice)

Michael Bell

Allstar Seaworthy/ Bigweed/Elder #4

B.J. Ward

Casey Kelp/ Lil' Seaweed

Edie McClurg

Ms. Seabottom/ Mrs. Seaworthy

Robert Ridgely

Mr. Kelp

Mitzi McCall

Auntie Marina

Brian Cummings

Dimmy Finster

Bob Holt

Mr. Seaworthy

Gail Matthius

Smallstar Seaworthy

Joan Gardner

Mrs. Wetworth

Joan Gerber

Mrs. Kelp

Fredricka Weber

Willie Wetworth

Roger DeWitt

Jo-Jo