| Lorenz, Tilly | Tilly Lorenz | Actor | 1906 | 1 | |
| Lenar, Friedrich | Friedrich Lenar | Actor, Director | 1906 | 2 | |
| Landory, Elsa | Elsa Landory | Actor | 1906 | 1 | |
| Liebnitz, Mr. | Mr. Liebnitz | Actor | 1906 | 1 | |
| Lier, František | František Lier | Director | 1906 | 1 | |
| Lazar-Krauß, Fanny | Fanny Lazar-Krauß | Actor | 1906 | 1 | |
| Lennox, Erna | Erna Lennox | Actor | 1906 | 1 | |
| Lindenlaub, Th. | Th. Lindenlaub | Translator | 1906 - 1907 | 2 | |
| Lorimer, Wright | Wright Lorimer | Actor, Director | 1906 - 1907 | 4 | |
| Lyon, Damon | Damon Lyon | Actor | 1906 - 1907 | 3 | 1 |
| Loomis, Evelyn | Evelyn Loomis | Actor | 1906 - 1907 | 6 | |
| Lindsay, Marguerite | Marguerite Lindsay | Actor | 1906 - 1907 | 3 | |
| Ludwig, Karl | Karl Ludwig | Actor | 1906 - 1908 | 5 | |
| Lazak, Hugo | Hugo Lazak | Actor | 1906 - 1911 | 2 | |
| Louise, - | - Louise | Actor | 1906 - 1911 | 6 | |
| Liebsch, Alfred Oscar | Alfred Oscar Liebsch | Actor | 1906 - 1913 | 3 | |
| Lange, Paul | Paul Lange | Actor | 1906 - 1913 | 4 | |
| Link, Adolf | Adolf Link | Actor | 1906 - 1920 | 2 | |
| Lukács, György | György Lukács | Translator | 1906 - 1930 | 11 | 1 |
| Louis, Loudovikos | Loudovikos Louis | Actor | 1906 - 1933 | 7 | |
| Ljubos, A. S. | A. S. Ljubos | Actor | 1907 | 1 | |
| Lorandou, Eleonora | Eleonora Lorandou | Actor | 1907 | 1 | |
| Lutschkova, R. | R. Lutschkova | Actor | 1907 | 1 | |
| Lee, Leopold | Leopold Lee | Actor | 1907 | 1 | |
| Lindley, Bruce | Bruce Lindley | Actor | 1907 | 1 | |
| Letica, Mr | Mr Letica | Actor | 1907 | 1 | |
| Lier, Ms | Ms Lier | Actor | 1907 | 1 | |
| Lavin, Ivan | Ivan Lavin | Actor | 1907 | 1 | |
| Lassen, Hans-Walter | Hans-Walter Lassen | Actor | 1907 - 1908 | 4 | |
| Laaksonen, Reino | Reino Laaksonen | Actor | 1907 - 1908 | 3 | |
| Levis, Dora | Dora Levis | Actor | 1907 - 1908 | 8 | |
| Larsen, Alfhild | Alfhild Larsen | Actor | 1907 - 1909 | 32 | 1 |
| Lieb, Herman | Herman Lieb | Actor | 1907 - 1909 | 4 | |
| Laus, Ludvigs | Ludvigs Laus | Actor | 1907 - 1912 | 3 | |
| Laskowski, Ernst | Ernst Laskowski | Actor | 1907 - 1916 | 2 | |
| Lovell, Leigh | Leigh Lovell | Actor, Designer, Director | 1907 - 1923 | 129 | |
| Lenkei, Hedvig L. | Hedvig L. Lenkei | Actor, Translator | 1907 - 1923 | 5 | 1 |
| Leffler, Hermann | Hermann Leffler | Actor | 1907 - 1924 | 7 | |
| Larsson, William | William Larsson | Actor | 1908 | 1 | |
| Liepa, Emma | Emma Liepa | Actor | 1908 | 1 | |
| Landsberg, Dr. Ludwig | Ludwig Landsberg (Dr. Ludwig Landsberg) | Actor | 1908 | 2 | |
| Lütgert, Magda | Magda Lütgert | Actor | 1908 | 1 | |
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