Titans of the Deep 1938

Synopsis:

Prominent scientists Dr. William Beebe and Otis Barton, using the Bathyspere invented by Barton, descend several thousand feet to the ocean floor off of the shores of Bermuda to study and film sea creatures seen and filmed at that depth for the first time. A sometimes staged semi-documentary that was often sold and advertised as an exploitation/horror picture.

Directed by: Otis Barton
Runtime: 47 minutes
Tagline: Brave and beautiful girl scientists... facing death in the ocean's depths... battling fierce sea demons... men and monsters in deadly combat... the dangers met and conquered by science!
Cast:
William Beebe
William Beebe
Dr. William Beebe 
Otis Barton
Otis Barton
Otis Barton 
John Tee Van
John Tee Van
John Tee Van - Crew Member 
Gloria Hollister
Gloria Hollister
Gloria Hollister - Crew Member 
Lowell Thomas
Lowell Thomas
Narrator