John Harris (played by Richard Norton) is a protagonist in Nautilus.
Hawks (as Greg Fawcett) (played by Gregory Fawcett) appears in Nautilus.
Dr. Eric Levine (played by Hannes Jaenicke) appears in Nautilus.
Captain Noah Brin (played by Christopher Kriesa) appears in Nautilus.
Raoul (played by JD Roberto) appears in Nautilus.
Admiral Hayes (played by William Frederick Knight) appears in Nautilus.
Hawk (played by Michael Phenicie) appears in Nautilus.
