"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."
Lillian Cook
as Prologue
Chester Barnett
as John Fulton
Barbara Tennant
as Dorothy Morgan
Eric Mayne
as Earl of Linwood
Fred Radcliffe
E. Hudson
Lindsay J. Hall
as Captain Bob
Charles Hartley
as Joe Lee
Edith Conway
as Nancy
Nellie Slattery
as Parker
Edward Butler
as Murphy
Gustave Fischer
as An officer of the 'Condor'
Winthrop Kelley
Director
J. Ernest Williamson
Writer
George M. Williamson
Producer
M.L. Lake
Music
Harold S. Sintzenich
Director of Photography