Mel Ferrer
Dr. Robert Cook
Horst Buchholz
King Tibor
Warren Stevens
Miller
José Ferrer
Captain Nemo
Burgess Meredith
Prof. Waldo Cunningham
Med Flory
Tor
Burr DeBenning
Lt. Jim Porter
Tom Hallick
Comdr. Tom Franklin
Anthony Geary
Bork
Lynda Day George
Kate
Richard Angarola
Trog
Randolph Roberts
Helmsman