| 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 | |
| Lilie, Mr. | Mr. Lilie | Actor | 1911 | 1 | |
| Lüder, Frl. | Frl. Lüder | Actor | 1911 | 1 | |
| Lenau, Charlotte | Charlotte Lenau | Actor | 1911 | 1 | |
| Loehmke, Conrad | Conrad Loehmke | Actor | 1911 | 1 | |
| 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 | |
| Löhmann, Alex | Alex Löhmann | Actor | 1911 - 1912 | 2 | |
| Lindgren, Carl | Carl Lindgren | Actor | 1911 - 1912 | 3 | |
| Lizeti, Eleni | Eleni Lizeti | Actor | 1911 - 1912 | 2 | |
| Lepkovskij, E. | E. Lepkovskij | Actor, Director | 1911 - 1916 | 2 | |
| Loos, Theodor | Theodor Loos | Actor | 1911 - 1923 | 28 | |
| Liniver-Gusty, Alexandrina | Alexandrina Liniver-Gusty | Actor | 1911 - 1923 | 2 | |
| Leithner, Melitta | Melitta Leithner | Actor | 1911 - 1926 | 12 | |
| Lindstrøm, Vera | Vera Lindstrøm | Actor | 1911 - 1926 | 3 | |
| Laubinger, Otto | Otto Laubinger | Actor | 1911 - 1930 | 9 | |
| Lewinsky, Siegfried | Siegfried Lewinsky | Actor | 1911 - 1934 | 7 | |
| Lion, Leon M. | Leon M. Lion | Actor, Director | 1911 - 1936 | 7 | |
| Linnebach, Adolf | Adolf Linnebach | Designer | 1911 - 1936 | 6 | |
| Lund, Karen | Karen Lund | Actor | 1911 - 1960 | 6 | |
| Landau, Dr. | - Landau (Dr. Landau) | Actor | 1912 | 1 | |
| Lüder, Leontine | Leontine Lüder | Actor | 1912 | 1 | |
| Lang, Karl | Karl Lang | Actor | 1912 | 1 | |
| Leni, Paul | Paul Leni | Designer | 1912 | 1 | |
| Liarova, Ludmilla N. | Ludmilla N. Liarova | Actor | 1912 | 3 | |
| Liarov, Mattvei L. | Mattvei L. Liarov | Actor | 1912 | 2 | |
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