Who Is Number One? (1917) — mystery film. Directed by William Bertram. Starring Kathleen Clifford, Cullen Landis, Gordon Sackville, Neil Hardin.
Who Is Number One? offers interactive tools beyond traditional movie databases:
Mystery · 300 min · 1917
Who Is Number One? (1917) - a movie.
Related entry on Wikidata (Q19363991), public domain (CC0).