The Boy, involved in a maritime disaster as a child, suffers from hydrophobia. He invents a life preserver that automatically inflates when it hits the water, using it to save the life of Rose Ryan, the daughter of a steamship magnate.
as The Boy
as James P. Ryan
as Rose Ryan
as Gerald Deane
as Doublecrosser
as Bordanni
as Ryan's Butler
as Ryan's Secretary
as The Mother
as The Child
