In 1937, after several more French and British movies, Gravey went to Hollywood where the spelling of his last name was altered to Gravet, and he became the focus of a rather extensive Hollywood publicity campaign (instructing moviegoers to pronounce his name properly: "Rhymes with Gravy"). Unfortunately for Gravey, he was offered only standard parts, the Gallic lover roles that Louis Jourdan played in the 1950s and 1960s.

The first two films he made in Hollywood were for Warner Brothers: