An Austrian-born actor and director, he gained fame in the 1940s for his suave and sophisticated roles in Hollywood films. He is best known for his performances in classics like "Casablanca" and "Now, Voyager," where he starred alongside legends such as Humphrey Bogart and Bette Davis. Before his Hollywood success, he worked in European theater and film. Later in his career, he directed numerous television episodes and films. His contributions to cinema have left a lasting legacy.