| Lüttmann, Ernst | Ernst Lüttmann (Ernst Lüttmann) | Actor | 1905 | 2 | |
| Link, Hans | Hans Link (Hans Link) | Actor | 1905 | 1 | |
| Low, George | George Low (George Low) | Actor | 1905 | 1 | |
| Lewis, James H. | James H. Lewis (James H. Lewis) | Actor | 1905 | 3 | |
| Losee, Frank | Frank Losee (Frank Losee) | Actor | 1905 | 3 | |
| Ljungqvist, Johan | Johan Ljungqvist (Johan Ljungqvist) | Actor | 1905 | 1 | |
| Lytton, A. Rogers | A. Rogers Lytton (A. Rogers Lytton) | Actor | 1905 | 1 | |
| Lewers, Jessica | Jessica Lewers (Jessica Lewers) | Actor | 1905 | 1 | |
| Lavern, Albert | Albert Lavern (Albert Lavern) | Actor | 1905 | 1 | |
| Lage, Charles E. | Charles E. Lage (Charles E. Lage) | Actor | 1905 | 1 | |
| Lewers, Edward | Edward Lewers (Edward Lewers) | Actor | 1905 | 1 | |
| Lang, Matheson | Matheson Lang (Matheson Lang) | Actor | 1905 | 1 | |
| Lockwood, Miss | Miss Lockwood (Miss Lockwood) | Actor | 1905 | 1 | |
| Lascelles, Frank | Frank Lascelles (Frank Lascelles) | Actor | 1905 | 1 | |
| Lerch, Josef | Josef Lerch | Actor | 1905 | 1 | |
| Lawrence, Lillian | Lillian Lawrence | Actor | 1905 | 3 | |
| Lohnstein, Curt | Curt Lohnstein | Actor | 1905 | 1 | |
| Lorentz, Alfred | Alfred Lorentz | Musical Director | 1905 | 1 | |
| Lafrenz, Helene | Helene Lafrenz | Actor | 1905 | 1 | |
| Lynard, Elfriede | Elfriede Lynard | Actor | 1905 - 1906 | 5 | |
| Leßmann, Herbert | Herbert Leßmann (Herbert Leßmann) | Actor | 1905 - 1907 | 3 | |
| Lesing, Philipp | Philipp Lesing (Philipp Lesing) | Actor | 1905 - 1907 | 21 | |
| Laderchi, M. | M. Laderchi (M. Laderchi) | Actor | 1905 - 1907 | 5 | |
| Lowe, Trevor | Trevor Lowe (Trevor Lowe) | Actor | 1905 - 1907 | 2 | |
| Lehmann, Konrad | Konrad Lehmann (Konrad Lehmann) | Actor | 1905 - 1911 | 3 | |
| Lie, Sigurd | Sigurd Lie (Sigurd Lie) | Composer | 1905 - 1911 | 4 | |
| Leusch, Eduard | Eduard Leusch (Eduard Leusch) | Actor | 1905 - 1912 | 6 | |
| Lengbach, Georg | Georg Lengbach (Georg Lengbach) | Actor | 1905 - 1914 | 2 | |
| Leopold, Richard | Richard Leopold (Richard Leopold) | Actor | 1905 - 1919 | 3 | |
| Lorma, Grete | Grete Lorma (Grete Lorma) | Actor | 1905 - 1921 | 12 | |
| Lossen, Lina | Lina Lossen (Lina Lossen) | Actor | 1905 - 1925 | 32 | |
| Lloyd, Frederick | Frederick Lloyd (Frederick Lloyd) | Actor | 1905 - 1930 | 5 | |
| Lowe, Robert | Robert Lowe (Robert Lowe) | Actor | 1905 - 1931 | 4 | |
| Legal, Ernst | Ernst Legal (Ernst Legal) | Actor, Director | 1905 - 1940 | 16 | |
| Larsen, Oscar | Oscar Larsen (Oscar Larsen) | Actor | 1906 | 1 | |
| Lorenz, Tilly | Tilly Lorenz (Tilly Lorenz) | Actor | 1906 | 1 | |
| Lenar, Friedrich | Friedrich Lenar (Friedrich Lenar) | Actor, Director | 1906 | 2 | |
| Landory, Elsa | Elsa Landory (Elsa Landory) | Actor | 1906 | 1 | |
| Liebnitz, Mr. | Mr. Liebnitz (Mr. Liebnitz) | Actor | 1906 | 1 | |
| Lier, František | František Lier (František Lier) | Director | 1906 | 1 | |
| Lazar-Krauß, Fanny | Fanny Lazar-Krauß | Actor | 1906 | 1 | |
| Lennox, Erna | Erna Lennox | Actor | 1906 | 1 | |
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