René Auberjonois
Dr. Strangesnork (26 eps)
Nancy Cartwright
Daffney Gilphin (26 eps)
Frank Welker
Tooter Shelby/ Occy/ Grandpa Wetworth/ Great Snork Nork/ Finneus (26 eps)
Rob Paulsen
Corky (26 eps)
Barry Gordon
Junior Wetworth/ Governor Wetworth (26 eps)
Clive Revill
Dr. Galeo Seaworthy (26 eps)
Michael Bell
Allstar Seaworthy/ Bigweed/Elder #4 (26 eps)
B.J. Ward
Casey Kelp/ Lil' Seaweed (26 eps)
Edie McClurg
Ms. Seabottom/ Mrs. Seaworthy (26 eps)
Robert Ridgely
Mr. Kelp (26 eps)
Mitzi McCall
Auntie Marina (26 eps)
Brian Cummings
Dimmy Finster (26 eps)
Bob Holt
Mr. Seaworthy (26 eps)
Gail Matthius
Smallstar Seaworthy (26 eps)
Joan Gardner
Mrs. Wetworth (26 eps)
Joan Gerber
Mrs. Kelp (26 eps)
Fredricka Weber
Willie Wetworth (26 eps)
Roger DeWitt
Jo-Jo (26 eps)