






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
Practical Effects
Real location shooting in Peru—1947 studio execs actually left Burbank!
Production
Massive sets that cost more than the actual Peruvian economy.
Acting
Judith Anderson stealing scenes as the spinster secretary with opinions.

Director
Richard Wallace
Trivia, insights & behind the scenes