Señal de alarma was released on 21 de agosto de 1930.

Señal de alarma was directed by George B. Seitz.

Señal de alarma has a runtime of 74min.

Señal de alarma was produced by William LeBaron.

Head railroad man Dan is as ugly as he is honorable. When he spots a drifter who'd hopped a freight held up by a landslide, Dan offers the man a job; then he finds the man was a railroader, too, and takes him under his wing. Engaged to Mary, Dan doesn't notice the growing attraction between his protégé and his intended, but focuses instead on running the railroad.

The key characters in Señal de alarma are Dan Thorn (Louis Wolheim), Larry Doyle (Robert Armstrong), Mary Ryan (Jean Arthur).

Señal de alarma is rated Not Rated.

Señal de alarma is an Adventure, Drama film.

Señal de alarma has an audience rating of 1.4 out of 10.