Humphrey DeForest Bogart was an American film and stage actor. His performances in Classical Hollywood cinema films made him an American cultural icon. In 1999, the American Film Institute selected Bogart as the greatest male star of classic American cinema.
Bogart began acting in Broadway shows, beginning his career in motion pictures with Up the River for Fox. Bogart appeared in supporting roles for the next decade, sometimes portraying gangsters. Bogart was praised for his work as Duke Mantee in The Petrified Forest, but remained secondary to other actors Warner Bros. cast in lead roles.
His breakthrough from supporting roles to stardom came with High Sierra and The Maltese Falcon, considered one of the first great noir films. Bogart's private detectives, Sam Spade and Phillip Marlowe, became the models for detectives in other noir films. His most significant romantic lead role was with Ingrid Bergman in Casablanca, and he received his first nomination for the Academy Award for Best Actor.