Two professors who hire a sailor to lead them on a treasure hunt, and they soon find themselves in a dangerous situation involving pirates. The sailor, Bill, initially struggles to remember the location of the ruins, but eventually discovers a lost city and civilization. The professors and sailor then find themselves fighting for their lives against pirates to escape the island alive.
Bernard Nedell
as James Cody
Jean Gillie
as Sally Barton
Hugh Wakefield
as Grantham
Arthur Wontner
as Montell
Irene Ware
as Jane
David Burns
as Snakey
Felix Aylmer
as Wilton
C.M. Hallard
as Sir George Dawson
John Singer
as Boy
Kathleen Kelly
as Phoebe
H.F. Maltby
as Hodgson
