| Lampert, Nestor | Nestor Lampert | Actor | 1921 | 1 | |
| Loos, Hans | Hans Loos | Actor | 1921 | 1 | |
| Lobe, Friedrich | Friedrich Lobe | Actor, Director | 1921 - 1953 | 4 | |
| Lion, Fritz | Fritz Lion | Actor | 1909 - 1934 | 3 | |
| Lensing, Marielotte | Marielotte Lensing | Actor | 1921 | 1 | |
| Lischka, Hans | Hans Lischka | Actor | 1921 | 2 | |
| Ley, Ida | Ida Ley | Actor | 1922 | 1 | |
| Leudesdorff-Tormin, Philine | Philine Leudesdorff-Tormin | Actor | 1922 | 1 | |
| Langheinz, Ernst | Ernst Langheinz | Actor | 1922 | 1 | |
| Laugwitz, - | - Laugwitz | Actor | 1922 | 1 | |
| Laske, Manfred | Manfred Laske | Actor | 1919 - 1923 | 4 | |
| Lieven, Lotte | Lotte Lieven | Actor | 1924 - 1937 | 3 | |
| Lieck, Kurt | Kurt Lieck | Actor | 1924 - 1956 | 5 | |
| Lehmann-Haupt, Mirjam | Mirjam Lehmann-Haupt | Actor | 1924 | 1 | |
| Linden, Inger | Inger Linden | Actor | 1925 | 1 | |
| Lundeval, Ingvelde | Ingvelde Lundeval | Actor | 1925 | 2 | |
| Lorre, Peter | Peter Lorre | Actor | 1926 | 2 | |
| Lingner, Walter | Walter Lingner | Actor | 1926 | 1 | |
| Lubahn, Robert | Robert Lubahn | Actor | 1926 | 1 | |
| Larsen, Hede | Hede Larsen | Actor | 1926 | 1 | |
| Lange, Erna | Erna Lange | Actor | 1927 | 1 | |
| Laube, Heinz | Heinz Laube | Actor | 1927 - 1932 | 5 | |
| Ledermann, Ruth | Ruth Ledermann | Actor | 1928 | 1 | |
| Lenz, Max Werner | Max Werner Lenz | Actor, Director | 1924 - 1928 | 6 | |
| Lamond, Irene | Irene Lamond | Actor | 1928 | 3 | |
| Lange, Raul | Raul Lange | Actor | 1916 - 1928 | 3 | |
| Lichten, Karl | Karl Lichten | Actor | 1928 - 1939 | 2 | |
| Lehnert, Wilhelm | Wilhelm Lehnert | Actor | 1928 | 1 | |
| Lillie, Heldwig | Heldwig Lillie | Actor | 1928 | 1 | |
| Ludwig, - | - Ludwig | Actor | 1928 | 1 | |
| Lessen, Kurt | Kurt Lessen | Actor | 1928 | 1 | |
| Loch, Felix | Felix Loch | Designer | 1928 - 1932 | 3 | |
| Liedtke, - | - Liedtke | Actor | 1928 | 1 | |
| Lewinsky, - | - Lewinsky | Actor | 1928 | 1 | |
| Loschitz, Hertha | Hertha Loschitz | Actor | 1928 | 1 | |
| Litten, Dr. Heinz Wolfgang | Heinz Wolfgang Litten (Dr. Heinz Wolfgang Litten) | Director | 1930 - 1932 | 2 | |
| Lundt, Otto Ernst | Otto Ernst Lundt | Actor | 1931 | 1 | |
| Lange, Gerda | Gerda Lange | Actor | 1931 | 1 | |
| Lehmann, Marga | Marga Lehmann | Actor | 1931 | 1 | |
| Löhnen, Fred | Fred Löhnen | Actor | 1931 | 1 | |
| Lamp, Ernst | Ernst Lamp | Actor | 1931 | 1 | |
| Lübke, Lucian | Lucian Lübke | Actor | 1931 - 1957 | 3 | |
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