George M. Williamson

Captain Nemo has built a fantastic submarine for his mission of revenge. He has traveled over 20,000 leagues in search of Charles Denver - a man who caused the death of Princess Daaker. Seeing what he had done, Denver took the daughter to his yacht and sailed away.

A poor but brilliant inventor sets out to make his fortune by discovering buried treasure, with the aid of a special inverted periscope through which he can view the ocean floor.

There is a feud of 30 years' standing between the Revelle and Wainwright families, dwelling in the Apache country, despite which Shirley, daughter of Martin Revelle, and Clem Wainwright fall in love. The lovers are discovered meeting by Clem's rival, Ben Larrago, who informs on them (Exhibitors Trade Review, 23rd May 1925).

Directed by Carl Gregory.

One of the earliest examples of underwater cinematography, this film explores the sea around The Bahamas in an expedition led by the Williamson Brothers, who shot undewater footage for the Thanshouser company. Among the scenes shown are a shark attack and a sawfish being caught.