| 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 | |
| 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 (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 (Ludmilla N. Liarova) | Actor | 1912 | 3 | |
| Liarov, Mattvei L., | Mattvei L. Liarov (Mattvei L. Liarov) | Actor | 1912 | 2 | |
| Lenowiczówna, (?), | (?) Lenowiczówna | Actor | 1912 | 1 | |
| Leontos, Maria, | Maria Leontos | Actor | 1912 | 1 | |
| Lyche, Borghild, | Borghild Lyche | Actor | 1912 | 1 | |
| Luzanov, D. M. | D. M. Luzanov | Actor | 1912 | 1 | |
| Larionov, Kolja | Kolja Larionov | Actor | 1912 | 1 | |
| Lindholm, Uno | Uno Lindholm | Actor | 1912 | 1 | |
| Leis, Klärchen | Klärchen Leis | Actor | 1912 | 1 | |
| Lavrowsky, M.J. | M.J. Lavrowsky | Actor | 1912 | 1 | |
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