| Limerick, Mona | Mona Limerick | Actor | 1911 | 1 | |
| Landau, Gustaw | Gustaw Landau | Designer | 1911 | 1 | |
| Llewelyn, Ned | Ned Llewelyn | Actor | 1911 | 1 | |
| Lancova, F. | F. Lancova | Actor | 1911 | 1 | |
| Lukeš, M. | M. Lukeš | Actor | 1911 | 1 | |
| Linhartova, B. | B. Linhartova | Actor | 1911 | 1 | |
| Leister, Hermione | Hermione Leister | Actor | 1911 | 2 | |
| Lüdowa, Aleksandra | Aleksandra Lüdowa | Actor | 1911 | 1 | |
| Lubicz-Mogilnicka, Halina | Halina Lubicz-Mogilnicka | Actor | 1911 | 1 | |
| Lenoir, Paul | Paul Lenoir | Actor | 1911 | 1 | |
| Leffler, Robert | Robert Leffler | Actor | 1911 | 1 | |
| Laub, Alexander | Alexander Laub | Actor | 1911 | 1 | |
| Langer, Willy | Willy Langer | Actor | 1911 | 1 | |
| Lubin, Siegmund | Siegmund Lubin | Producer | 1911 | 1 | |
| Leibelt, Hans | Hans Leibelt | Actor | 1910 - 1930 | 3 | |
| Lewis, Catherine | Catherine Lewis | Actor, Costume Designer, Director | 1910 - 1917 | 8 | |
| Lucas, Kurt | Kurt Lucas | Actor | 1910 - 1915 | 6 | |
| Lawton, Thais | Thais Lawton | Actor | 1910 - 1915 | 4 | |
| 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 | |
| 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 | |
| Lang, Emil | Emil Lang | Actor | 1909 - 1956 | 2 | |
| Lion, Fritz | Fritz Lion | Actor | 1909 - 1934 | 3 | |
| Labadie, Harriet | Harriet Labadie | Actor, Adaptation | 1909 - 1914 | 30 | |
| Lahrius, - | - Lahrius | Actor | 1909 - 1913 | 2 | |
| Lauritzen, Lauritz | Lauritz Lauritzen | Actor | 1909 - 1911 | 2 | |
| Lauberts, Ērihs | Ērihs Lauberts | Actor, Director | 1909 - 1910 | 2 | |
| 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 | |
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