| Lehmann, Hedwig | Hedwig Lehmann | Actor | 1918 | 1 | |
| Lemke, Rudolf | Rudolf Lemke | Actor | 1918 | 1 | |
| Lehre, Kurt | Kurt Lehre | Actor | 1918 - 1925 | 5 | |
| Lüdecke, Elise | Elise Lüdecke | Actor | 1918 | 1 | |
| Leon, Eva | Eva Leon | Actor | 1918 | 1 | |
| Lehr, Lisette | Lisette Lehr | Actor | 1918 - 1919 | 2 | |
| Lothar, E. | E. Lothar | Actor | 1919 | 1 | |
| Lehndorff, Frieda | Frieda Lehndorff | Actor | 1919 | 1 | |
| Liebmann, Friedrich | Friedrich Liebmann | Actor | 1919 - 1921 | 3 | |
| Linnebach, Georg | Georg Linnebach | Designer | 1919 | 1 | |
| Lutze, Geka | Geka Lutze | Actor | 1919 | 1 | |
| Lerch, Karl | Karl Lerch | Actor | 1919 - 1947 | 8 | |
| Lütjohann, Reinhold | Reinhold Lütjohann | Actor | 1914 - 1956 | 12 | |
| Lert, Dr. Ernst | Ernst Lert (Dr. Ernst Lert) | Director | 1920 | 2 | |
| Landmann, Frieda | Frieda Landmann | Actor | 1920 - 1924 | 2 | |
| Lorenz, Rudolf | Rudolf Lorenz | Actor | 1920 | 2 | |
| Ludwig, Erna | Erna Ludwig | Actor | 1921 | 1 | |
| Litschke, Paul | Paul Litschke | Actor | 1921 | 1 | |
| Liertz, Fritz Leo | Fritz Leo Liertz | Actor | 1921 | 2 | |
| 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 | |
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