Rudolf Lettinger (26 October 1865 in Hamburg – 21 March 1937 in Berlin-Schöneberg) was a German stage and film actor. He made his stage debut in 1883 when he played the role of Kosinsky in Friedrich Schiller's drama The Robbers. Some of his more prominent roles in his prestigious stage career were Cyrano de Bergerac and Gessler in William Tell. He also worked with acclaimed stage director Max Reinhardt. In 1912, Lettinger played his first film role in Das Geheimnis von Monte Carlo. Lettinger appeared in over 90 films until 1931, mostly as a supporting actor. His best-known film is perhaps The Cabinet of Dr. Caligari (1920), where Lettinger portrayed Dr. Olsen. Selected filmography Das Geheimnis von Monte Carlo (1912) Ein Gruss aus der Tiefe (1915) - Vareno Ziehtochter Rawalla Das goldene Friedelchen (1916) - Hermann Strecker Irrende Liebe (1917) - Carl Coster, ehemaliger Bankdirektor Das Legat (1917) - Geldverleiher Rosen The Onyx Head (1917) Jugend. Die Furcht von der Wahrheit (1917) - Pens.Kapitän Voss Das Klima von Vancourt (1917) Halkas Gelöbnis (1918) Die Ehe der Charlotte von Brakel (1918) Der lebende Leichnam (1918) Der Prozeß Hauers (1918) Erträumtes (1918) - Ehemann der Freundin Das Buch Esther (1919) - Vorsteher des Jehudims Moderne Töchter (1919) The Ocarina (1919) Die Geliebte Tote (1919) - Professor Thorwaldsen Die schwarze Marion (1919) Das Schicksal der Carola van Geldern (1919) - Jack Harakiri (1919) - Karan Der Tempel der Liebe (1919) Opfer (1920) The Mistress of the World (1920, Part VIII) - Detective Hunt Hate (1920) The Spiders (1920, part 2) - John Terry, the King of Diamonds The Cabinet of Dr. Caligari (1920) - Dr. Olsen Frauenruhm (1920) Kaliber fünf Komma zwei (1920) - Julius Goldberg The Brothers Karamazov (1920) - Oberst Whitechapel (1920) - Komissar Madame Récamier (1920) - Jacques Récamier Das schwarze Amulett (1920) Napoleon and the Little Washerwoman (1920) - Napoleon Bonaparte Furcht vor dem Weibe (1920) - Handelsmarine-Matrose The Drums of Asia (1921) - van Daalen Night of the Burglar (1921) Der Gang durch die Hölle (1921) - Polizeikommissar Brown Aschermittwoch (1921) Barmaid (1922) Countess Walewska (1922) - Napoleon The Call of Destiny (1922) Nathan the Wise (1922) - Klosterbruder Bonafides - früherer Reitknecht Assads Victim of Love (1923) Maciste and the Chinese Chest (1923) Die brennende Kugel (1923) The Buddenbrooks (1923) - Kutscher Grobleben Der Tiger des Zirkus Farini (1923) Tragödie der Liebe (1923) Die Gräfin von Paris