Born in Berlin, he began his acting career as a child in the early 1900s, transitioning to film in the silent era. Fleeing Nazi Germany, he continued his career in the U.S., appearing in Hollywood films like "Casablanca." Known for his versatility and comedic timing, he returned to Europe post-WWII, becoming a respected stage actor. He worked with renowned directors, including Wim Wenders in "Wings of Desire." His career spanned over eight decades, showcasing resilience and talent.