Kirk Douglas
Ned Land
James Mason
Captain Nemo
Paul Lukas
Prof. Pierre Arronax
Peter Lorre
Conseil
Robert J. Wilke
First Mate of the Nautilus
Ted de Corsia
Capt. Farragut
Carleton Young
John Howard
J.M. Kerrigan
Billy
Percy Helton
Coach Driver
Gloria Pall
Blonde Girlfriend (uncredited)
Ron Nyman
Sailor (uncredited)
Fred Graham
Casey Moore (uncredited)
Harry Harvey
Ticket Agent (uncredited)
Charles Grodin
Drummer Boy (uncredited)
Harper Goff
Minister in San Francisco Steam Packet office (uncredited)
Eddie Marr
Shipping Agent (uncredited)
John Daheim
Nautilus Seaman (uncredited)
Jack Stoney
Police Detective (uncredited)
Laurie Mitchell
One of Ned's Girlfriends
Jack Gargan
Reporter from The Post (uncredited)
Dayton Lummis
Reporter from The Bulletin (uncredited)
Jack Pennick
Cannon Mate Carson (uncredited)
Herb Vigran
Reporter for the Globe (uncredited)