During World War I, a German U-boat sinks a British passenger ship and takes the survivors aboard. After getting lost in fog, the submarine surfaces near the unknown island of Caprona, a lost world where they find dinosaurs and Neanderthals.
as Bowen Tyler
as Captain Von Schoenvorts
as Lisa Clayton
as Bradley
as Dietz
as Borg
as Ahm
as Olson
as Whiteley
as Benson
as Plesser
as Sinclair
as Jones
as Deusett
as Reuther
as Hiller
as First Sto-Lu
as Schwartz
as Hindle
