Humphrey Bogart

Humphrey DeForest Bogart (December 25, 1899 – January 14, 1957) began his career on Broadway in the 1920s. This led to B-movie parts in 1930s Hollywood. Bogart's turning point came in the 1940s, with his legendary roles in The Maltese Falcon and Casablanca. The American Film Institute ranked Bogart as the greatest male star in the history of American cinema.

Source: otrstreet | biography

Conrad Veidt

Hans Walter Conrad Veidt (22 January 1893 – 3 April 1943) was a German actor best remembered for his roles in films such as The Cabinet of Dr. Caligari, The Man Who Laughs, The Thief of Bagdad and Casablanca.

Source: google | lucywho