Engineer Johnny Munroe is enlisted to build a railroad tunnel through a mountain to reach mines. His task is complicated, and his ethics are compromised, when he falls in love with his boss's daughter
as Johnny Munroe
as Maura Alexander Munroe
as Frederick Alexander (as Sir Cedric Hardwicke)v
as Miss Ellen Braithwaite
as Ricky Vegas
as Pop Mathews
as Fog
as Joe
as Chico
as Holden
as Curly
as Señor Tobar
as Chavez
as Young Woman (uncredited)
as Foreman with Holden at Fiesta (uncredited)
as Dancer at Fiesta (uncredited)
as Priest (uncredited)
