Light Language in Casablanca
What makes the lighting in Casablanca even more impressive is how it reflects the emotional states of the characters without needing explicit dialogue.
Paul Henreid
Born Paul Georg Julius Hernreid in the city of Trieste, then part of the Austro-Hungarian Empire, Paul Henreid (January 10, 1908 – March 29, 1992) was an Austrian 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. From Wikipedia.