A man known to be a mute is suspected of committing a murder, as he was noticed at the scene. However, witnesses saw and heard him talking as he was leaving the scene of the crime. The police must determine if he is the actual killer or if he is being framed.
You can now watch The Sphinx online on the following streaming providers in the United States.
| Directing | Phil Rosen | Director |
| Writing | Albert DeMond | Writer |
| Production | Albert S. Rogell | Producer |
| Editing | Doane Harrison | Editor |
| Camera | Gilbert Warrenton | Director of Photography |
