Feature version of the serial, centering on the Lost Continent of Atlantis. Ray "Crash" Corrigan, Lois Wilde. Khan: Monte Blue. Sharad: William Farnum. Ditmar: Boothe Howard. Norton: C. Montague Shaw. Billy: Lee Van Atta. Briny: Smiley Burnette. Hakur: Lon Chaney Jr. Salty: Frankie Marvin. Joe: John Bradford.