Main characters •
Sigmund Ooze (performed by
Billy Barty, voiced by
Walker Edmiston) – A sea monster who was kicked out of his family for not being able to scare a human. •
Johnny and Scott Stuart (portrayed by
Johnny Whitaker and
Scott Kolden) – Two brothers who discovered Sigmund when they were playing at the beach
Ooze Family The
Ooze Family are a family of sea monsters that live out at Dead Man's Point. They kicked Sigmund out after he would not scare a human. Most episodes would have them trying to harm Johnny and Scott to no avail. The Ooze Family consists of: •
Sweet Mama Ooze (performed by
Van Snowden, voiced by
Sidney Miller) – The matriarch of the Ooze family. Sweet Mama's characterization was based loosely on
Phyllis Diller. •
Big Daddy Ooze (performed by Joe A. Giamalva and
Sharon Baird, voiced by Walker Edmiston) – The patriarch of the Ooze family. Big Daddy was a spoof of
Archie Bunker from
All in the Family. In the sixth episode of the first season, he is identified as "Melvin Ooze" by a tax collector. •
Blurp Ooze (performed by Larry Larsen, voiced by Walker Edmiston) – A brother of Sigmund. •
Slurp Ooze (performed by Paul Gale, voiced by Walker Edmiston) – A brother of Sigmund. Slurp's voice characterization was based loosely on that of the fictional character
Gomer Pyle. •
Prince – The Ooze family's pet
lobster who acts like the family dog. •
Uncle Siggy Ooze (performed by Sharon Baird, voiced by Walker Edmiston) – An Uncle of Sigmund.
Humans as Miss Eddels •
Zelda Marshall (portrayed by
Mary Wickes) – The overbearing housekeeper who watches over Johnny and Scott. •
Chuck Bevans (portrayed by
Joe Higgins) – The local sheriff. •
Gertrude Gooch (portrayed by
Fran Ryan) – A housekeeper who replaced Zelda during the third season. Gertrude was a tough USMC drill instructor. The boys were relieved when Zelda returned. •
Miss Eddels (portrayed by
Margaret Hamilton) – The elderly neighbor of Johnny and Scott. •
Peggy (portrayed by
Pamelyn Ferdin) •
Leroy (portrayed by Stephen Ciccarelli) •
Jack Wild (portrayed by Himself) - The actor •
Paul Revere (portrayed by Bruce Hoy)
Other characters •
Sheldon (portrayed by
Rip Taylor) – A magical "sea genie" who lives in a shell that debuted during the second season. Unfortunately, Sheldon was a bumbler and his "whammy" spells seldom worked properly. •
Shelby (portrayed by
Sparky Marcus) – A sea genie who is Sheldon's nephew. •
Shelinor (portrayed by
Peggy Mondo) – A sea genie who is Shelby's mother. •
Dr. Cyclops (portrayed by Walker Edmiston) •
H.R. Pufnstuf (voiced by Walker Edmiston) •
Dr. Blinky (voiced by Walker Edmiston) •
Ook (voiced by Walker Edmiston) •
Unkunk (voiced by Walker Edmiston) ==Music==