Roy Del Ruth was an American filmmaker.

The First Auto is a 1927 American synchronized sound drama film directed by Roy Del Ruth about the transition from horses to cars and the rift it causes in one family. While the film has no audible dialog, it was released with a synchronized musical score with sound effects, some spoken words, cheering, and laughter, using the Vitaphone sound-on-disc process. The film stars Charles Emmett Mack and Patsy Ruth Miller, with Barney Oldfield having a guest role in the movie. As of January 1, 2023, the film is in the public domain.