"Two Undercover Agents Unwittingly Stalk the Same Target.". Two undercover agents infiltrate a drug-smuggling ring in Mexico, but neither is aware of the other's identity.

Nota del film: 6.1 / 10 (842)

Dirigit per: William A. Seiter

Crèdits de l'autor: Devery Freeman

Repartiment: Fred MacMurray - Claire Trevor - Raymond Burr - José Torvay - Morris Ankrum

Títol alternatiu: Alarma en la frontera

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