| Luna, Isabel | Isabel Luna | Actor | 1908 | 1 | |
| Le Marguy, - | - Le Marguy | Actor | 1908 | 1 | |
| Lavaggi, Armando, | Armando Lavaggi | Actor | 1908 - 1909 | 9 | |
| Lyndal, Percy, | Percy Lyndal | Actor | 1908 - 1909 | 5 | |
| Laßwitz, Hilde, | Hilde Laßwitz | Actor | 1908 - 1911 | 2 | |
| Lorenz, Christel, | Christel Lorenz | Actor | 1908 - 1913 | 6 | |
| Lobo, D.J., | D. J. Lobo (D.J. Lobo) | Actor | 1908 - 1918 | 4 | |
| Lochman, Stefan, | Stefan Lochman | Actor | 1908 - 1924 | 3 | |
| Lind, Sam, | Sam Lind | Actor | 1908 - 1928 | 6 | |
| Lindelöf, Helmi, | Helmi Lindelöf | Actor | 1908 - 1943 | 6 | |
| Lemke, Selina, | Selina Lemke | Actor | 1909 | 1 | |
| Lüttjohann, Ferdinand, | Ferdinand Lüttjohann | Actor | 1909 | 1 | |
| Langer, Freda, | Freda Langer | Actor | 1909 | 1 | |
| Lund, Aage, | Aage Lund | Actor | 1909 | 1 | |
| Lattin, J.D.B., | J. D. B. Lattin (J.D.B. Lattin) | Actor | 1909 | 2 | |
| Lane, J.C., | J. C. Lane (J.C. Lane) | Actor | 1909 | 2 | |
| Leland, Roca, | Roca Leland | Actor | 1909 | 1 | |
| Lindau, Paul | Paul Lindau | Director | 1909 | 1 | |
| Lindner, Emil | Emil Lindner | Actor | 1909 | 1 | |
| Laasner, Rosa | Rosa Laasner | Actor | 1909 | 2 | |
| Lauberts, Ērihs, | Ērihs Lauberts | Actor, Director | 1909 - 1910 | 2 | |
| Lauritzen, Lauritz, | Lauritz Lauritzen | Actor | 1909 - 1911 | 2 | |
| Lahrius, -, | - Lahrius | Actor | 1909 - 1913 | 2 | |
| Labadie, Harriet | Harriet Labadie | Actor, Adaptation | 1909 - 1914 | 30 | |
| Lion, Fritz, | Fritz Lion | Actor | 1909 - 1934 | 3 | |
| Lang, Emil, | Emil Lang | Actor | 1909 - 1956 | 2 | |
| Liebig, Frl., | Frl. Liebig | Actor | 1910 | 1 | |
| Lohmeyer, Mr., | Mr. Lohmeyer | Actor | 1910 | 1 | |
| Laske, Norbert, | Norbert Laske | Actor | 1910 | 1 | |
| Lichtenegg, Marie, | Marie Lichtenegg | Actor | 1910 | 1 | |
| La Porte, Walter | Walter La Porte | Musical Director | 1910 | 1 | |
| Liedgens, Klara, | Klara Liedgens | Actor | 1910 - 1911 | 3 | |
| Lübbert, Susanne, | Susanne Lübbert | Actor | 1910 - 1911 | 2 | |
| Lewis, Sheldon, | Sheldon Lewis | Actor | 1910 - 1911 | 4 | |
| Luck, Emily, | Emily Luck | Actor | 1910 - 1911 | 2 | |
| Lenhart, Leo | Leo Lenhart | Actor | 1910 - 1911 | 2 | |
| Lengyel, Irén | Irén Lengyel | Actor | 1910 - 1911 | 5 | |
| Lucas, Kurt, | Kurt Lucas | Actor | 1910 - 1915 | 6 | |
| Lawton, Thais, | Thais Lawton | Actor | 1910 - 1915 | 4 | |
| Lewis, Catherine, | Catherine Lewis | Actor, Costume Designer, Director | 1910 - 1917 | 8 | |
| Leibelt, Hans, | Hans Leibelt | Actor | 1910 - 1930 | 3 | |
| Leisner, Mr., | Mr. Leisner | Actor | 1911 | 1 | |
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