Conrad Veidt was a British-german actor, some examples of his movies include: the man who laughs (1928), Casablanca (1942), Waxworks (1924). he was famous for his silent films as well as horror films. in Casablanca he was chosen to play a Nazi which was risky at the time as he was German as well as WW2 going on whilst it was being filmed.

Humphrey Bogarts performances in classic 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. example of his films are: The Maltese Falcon (1941), The African Queen (1951), Sabrina (1954). He was given the role in Casablanca because he appears cold and standoffish .

Ingrid Bergman was a Swedish actress. With a career spanning five decades, Bergman is often regarded as one of the most influential screen figures in cinematic history. films: Gaslight (1944), Notorious (1946)

Paul Henreid was an Austrian-American actor, director, producer, and writer. He is best remembered for two film roles: Victor Laszlo in Casablanca and Jerry Durrance in Now, Voyager, both released between 1942 and 1943.

William Claude Rains was a British actor whose career spanned almost seven decades. After his American film debut as Dr. Jack Griffin in The Invisible Man, he appeared in The Adventures of Robin Hood