The Gray Horizon is a 1919 American silent drama film directed by William Worthington.

Sessue Hayakawa's Haworth Pictures Corporation produced the film and he himself played the lead role.

[1] Bertram Grassby, Tsuru Aoki, Eileen Percy, Mary Jane Irving, and Andrew Robson also featured in the film.

The artist's sister, O Haru San (Aoki), who is newly arrived in America and is searching for the American husband who deserted her, identifies the stranger as her spouse.

Then he discovers that his chief patroness Doris Furthman (Percy), a lady he has come to love, is the bigamous widow of the man the artist murdered.