| Leusch, Eduard, | Eduard Leusch | Actor | 1905 - 1912 | 6 | |
| Lehmann, Konrad, | Konrad Lehmann | Actor | 1905 - 1911 | 3 | |
| Lie, Sigurd, | Sigurd Lie | Composer | 1905 - 1911 | 4 | |
| Leßmann, Herbert, | Herbert Leßmann | Actor | 1905 - 1907 | 3 | |
| Lesing, Philipp, | Philipp Lesing | Actor | 1905 - 1907 | 21 | |
| Laderchi, M., | M. Laderchi | Actor | 1905 - 1907 | 5 | |
| Lowe, Trevor, | Trevor Lowe | Actor | 1905 - 1907 | 2 | |
| Lynard, Elfriede | Elfriede Lynard | Actor | 1905 - 1906 | 5 | |
| Langrock, Frk., | Frk. Langrock | Actor | 1905 | 1 | |
| Lange, Marg., | Marg. Lange | Actor | 1905 | 1 | |
| Lüttmann, Ernst, | Ernst Lüttmann | Actor | 1905 | 2 | |
| Link, Hans, | Hans Link | Actor | 1905 | 1 | |
| Low, George, | George Low | Actor | 1905 | 1 | |
| Lewis, James H., | James H. Lewis (James H. Lewis) | Actor | 1905 | 3 | |
| Losee, Frank, | Frank Losee | Actor | 1905 | 3 | |
| Ljungqvist, Johan, | Johan Ljungqvist | Actor | 1905 | 1 | |
| Lytton, A. Rogers, | A. Rogers Lytton | Actor | 1905 | 1 | |
| Lewers, Jessica, | Jessica Lewers | Actor | 1905 | 1 | |
| Lavern, Albert, | Albert Lavern | Actor | 1905 | 1 | |
| Lage, Charles E., | Charles E. Lage (Charles E. Lage) | Actor | 1905 | 1 | |
| Lewers, Edward, | Edward Lewers | Actor | 1905 | 1 | |
| Lang, Matheson, | Matheson Lang | Actor | 1905 | 1 | |
| Lockwood, Miss, | Miss Lockwood | Actor | 1905 | 1 | |
| Lascelles, Frank, | 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 | |
| Lundequist-Dahlström, Gerda, | Gerda Lundequist-Dahlström | Actor, Director | 1904 - 1920 | 5 | |
| Lindlöf, Märtha, | Märtha Lindlöf | Actor | 1904 - 1919 | 2 | |
| Lindroos, Uno, | Uno Lindroos | Actor | 1904 - 1916 | 8 | |
| Leicht, Wilhelm, | Wilhelm Leicht | Actor, Director | 1904 - 1914 | 5 | |
| Lepeniotis, Tilemachos, | Tilemachos Lepeniotis | Actor | 1904 - 1907 | 2 | |
| Larsen, Harry, | Harry Larsen | Actor | 1904 - 1906 | 3 | |
| Linay, Eva, | Eva Linay | Actor | 1904 - 1905 | 2 | |
| Lauschek, Mina, | Mina Lauschek | Actor | 1904 - 1905 | 8 | |
| Lessek, Frk., | Frk. Lessek | Actor | 1904 | 1 | |
| Lux, Dora, | Dora Lux | Actor | 1904 | 1 | |
| Landory, Alfred, | Alfred Landory | Actor | 1904 | 1 | |
| Lackaye, Wilton, | Wilton Lackaye | Actor | 1904 | 1 | |
| Lipiński, (?), | (?) Lipiński | Actor | 1904 | 1 | |
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