By the time that he was 20, Lewis Stone had turned prematurely grey. He enlisted to fight in the Spanish American War and when he returned, he returned to be a writer. This turned to acting and he began to appear in films during the middle teens. His career was again interrupted by war as he served in the cavalry during World War I. After the war, he returned to films and quickly graduated to lead roles. With his distinguished look and grey hair, he was able to play the roles of well mannered romantic men. In 1921, Lewis starred in Dont Neglect Your Wife (1921). In the next year, he starred with Alice Terry, who played the heroine, and Ramon Novarro in The Prisoner of Zenda (1922) and Scaramouche (1923). In 1924, Metro merged into the new MGM where Lewis remained for the rest of his career. He was busy over the next few years and garnered an Academy Award nomination for The Patriot (1928). In 1928, he appeared in the first of a series of pictures with Greta Garbo. In A Woman of Affairs (1928) he played the older doctor, a friend of the family.