Jaws of Steel is a 1927 American synchronized sound family adventure film directed by Ray Enright and featuring dog star Rin Tin Tin and Jason Robards Sr. While the film has no audible dialog, it was released with a synchronized musical score with sound effects using the Vitaphone sound-on-disc process. Warner Bros. produced and distributed the film. Darryl F. Zanuck, under the alias Gregory Rogers, wrote the story. The film is in the public domain in the United States.