| Lauberts, Ērihs, | Ērihs Lauberts | Actor, Director | 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 | |
| Lorenz, Christel, | Christel Lorenz | Actor | 1908 – 1912 | 6 | |
| Langefeld, Jan, | Jan Langefeld | Actor | 1908 – 1909 | 1 | |
| Lipczyński, Alfred, | Alfred Lipczyński | Actor | 1908 – 1909 | 1 | |
| Larsson, William, | William Larsson | Actor | 1908 | 1 | |
| Liepa, Emma, | Emma Liepa | Actor | 1908 | 1 | |
| Lobo, D.J., | D. J. Lobo (D.J. Lobo) | Actor | 1908 | 4 | |
| Landsberg, Dr. Ludwig, | Ludwig Landsberg (Dr. Ludwig Landsberg) | Actor | 1908 | 2 | |
| Lütgert, Magda, | Magda Lütgert | Actor | 1908 | 1 | |
| Landmann, Albert, | Albert Landmann | Actor | 1908 | 1 | |
| Landwer, Mr., | Mr. Landwer | Actor | 1908 | 1 | |
| Lutz, Georg, | Georg Lutz | Actor | 1908 | 1 | |
| Laßwitz, Hilde, | Hilde Laßwitz | Actor | 1908 | 2 | |
| Lavaggi, Armando, | Armando Lavaggi | Actor | 1908 | 9 | |
| L'vovič, -, | - L'vovič | Actor | 1908 | 1 | |
| Lovenmark, Nils, | Nils Lovenmark | Actor | 1908 | 1 | |
| Lyndal, Percy, | Percy Lyndal | Actor | 1908 | 5 | |
| Laurentius, -, | - Laurentius | Actor | 1908 | 1 | |
| Leon, Josephine, | Josephine Leon | Actor | 1908 | 1 | |
| Lochman, Stefan, | Stefan Lochman | Actor | 1908 | 3 | |
| Lind, Sam, | Sam Lind | Actor | 1908 | 6 | |
| Lindelöf, Helmi, | Helmi Lindelöf | Actor | 1908 | 6 | |
| Lussin, Lia | Lia Lussin | Actor | 1908 | 2 | |
| Lüder-Freiwald, Marg. | Marg. Lüder-Freiwald | Actor | 1908 | 1 | |
| Löhmann, Alexis | Alexis Löhmann | Actor | 1908 | 1 | |
| Lassen, Friedrich, Carl | Friedrich Carl Lassen | Actor | 1908 | 1 | |
| Liebes, Hans | Hans Liebes | Actor | 1908 | 1 | |
| Lyanka, Stjepan | Stjepan Lyanka | Actor | 1908 | 1 | |
| Luna, Isabel | Isabel Luna | Actor | 1908 | 1 | |
| Le Marguy, - | - Le Marguy | Actor | 1908 | 1 | |
| Lenkei, Hedvig L., | Hedvig L. Lenkei (Hedvig L. Lenkei) | Actor, Translator | 1907 – 1924 | 5 | |
| Lovell, Leigh, | Leigh Lovell (Leigh Lovell) | Actor, Designer, Director | 1907 – 1914 | 129 | |
| Leffler, Hermann, | Hermann Leffler | Actor | 1907 – 1914 | 7 | |
| Levis, Dora | Dora Levis | Actor | 1907 – 1908 | 8 | |
| Ljubos, A. S., | A. S. Ljubos (A. S. Ljubos) | Actor | 1907 | 1 | |
| Larsen, Alfhild, | Alfhild Larsen | Actor | 1907 | 32 | |
| Lassen, Hans-Walter, | Hans-Walter Lassen | Actor | 1907 | 4 | |
| Laskowski, Ernst, | Ernst Laskowski | Actor | 1907 | 2 | |
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