The Lost Continent is a 1968 adventure film made by Hammer Films and Seven Arts featuring Eric Porter, Hildegard Knef, Suzanna Leigh, Tony Beckley, and James Cossins. The film was produced, directed and written by Michael Carreras based on Dennis Wheatley's novel Uncharted Seas (1938). The film was called "the strangest film to come out of the Hammer Studios".