An accomplished Austrian-American actor, he was born in Vienna in 1896 and became renowned for his work in both silent and sound films. He moved to the United States in 1910 and began his career on stage before transitioning to film. Known for his emotive performances, he won an Academy Award for Best Supporting Actor for his role in "The Life of Emile Zola" (1937). His notable films also include "The Diary of Anne Frank" (1959). He passed away in 1964, leaving a legacy in classic cinema.