- Fantastic Four
- Mole Man (Harvey Elder) (First appearance)
- Moloids (First appearance)
- Deviant Mutates (First appearance)
- Miss Forbes
- Melinda Forbes
- Prince Charles
- George Gee
- Earth-534834 (Reality)
The Mole Man, from the bottom of the world, sinks the Rockefeller Center below ground to kill The Fantastic Four, fearing only they are capable of stopping him from taking over the world.
- This episode is based on Fantastic Four Vol 1 1.