The Block Signal

Joe Ryan, a veteran train engineer, is demoted to a flagman position after a disastrous crash-- one caused by his cowardly and opportunistic partner. Though Ryan's failing eyesight is named as the cause of the crash, he's undeterred as he designs an automatic braking invention.

Cast

Ralph Lewis

Jean Arthur

Hugh Allan

George Chesebro

Sidney Franklin

Leon Holmes

Missouri Royer

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