Appearing in "The Prince and the Pirate!"
- Hydro-Men (First appearance)
- Lady Dorma (Only in recap)
- Byrrah (Only in recap)
- Fen (Only in recap)
- Leonard McKenzie (Only in recap)
- Namora (Only in recap)
- Betty Prentiss' Neighbor (Unnamed)
- Mindy (Passenger) (Voice)
- Jim (Passenger) (Voice)
- Neptune (Invoked)
Races and Species:
- Atlanteans (Main story and flashback)
- Atlantean-Human Hybrids (Main story and flashback)
- Humans (Main story and flashback)
- Fish (Only in flashback)
- Human-Amphibian Hybrids
- Heaven (Invoked)
Synopsis for "The Prince and the Pirate!"
Atlantis celebrates the return of its prince. Namor decides it's time Namorita returns to her undersea realm, but discovers that the plane she was on has been taken hostage. He follows the trail to the Hydrobase where he's attacked by Dr. Hydro and his amphibian men. Dr. Hydro defeats Namor and gloats over him as his invasion force is set to take over Atlantis.