Mail robbers on the rampage!

To investigate a gold-shipping scam, a postal inspector goes undercover and tries to infiltrate the gang he believes is responsible.

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Main Cast: George O’Brien, Virginia Vale, Hobart Cavanaugh, Roy Barcroft, William Haade, Carl Stockdale, Glenn Strange, Harry Cording, Martín Garralaga, Ethan Laidlaw

Director: Edward Killy

Writers: Norton S. Parker, Morton Grant, Arthur V. Jones

Editor: Frederic Knudtson

Cinematographer: J. Roy Hunt

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