| Mahr, Alfred | Alfred Mahr | Actor | 1911 - 1917 | 2 | |
| Mara (Rozan), Agni, | Agni Mara (Rozan) | Actor | 1911 - 1918 | 11 | |
| Melsert, W. v.d. Horst-van der Lugt, | Wilhelmina van der Horst-van der Lugt Melsert (W. v.d. Horst-van der Lugt Melsert) | Actor | 1911 - 1926 | 2 | |
| Mierendorff, Hans, | Hans Mierendorff | Actor | 1911 - 1936 | 4 | |
| Masumoto, Kiyoshi, | Kiyoshi Masumoto | Director | 1912 | 1 | |
| Michalek, Lisa, | Lisa Michalek | Actor | 1912 | 1 | |
| Machalski, Józef, | Józef Machalski | Actor | 1912 | 1 | |
| Miksch, Karl, | Karl Miksch | Actor | 1912 | 1 | |
| Mierzejewski, Bolesław, | Bolesław Mierzejewski | Actor | 1912 | 1 | |
| Młodziejowska, Nuna, | Nuna Młodziejowska | Actor | 1912 | 2 | |
| Miwa, Itoko, | Itoko Miwa | Actor | 1912 | 1 | |
| Muszyński, Bolesław, | Bolesław Muszyński | Actor | 1912 | 1 | |
| Mihelsons, Arveds | Arveds Mihelsons | Actor | 1912 | 1 | |
| Mardžanov, Konstantin | Konstantin Mardžanov | Director | 1912 | 1 | |
| Mark, E. V. | E. V. Mark | Actor | 1912 | 1 | |
| Modzelewski, Józefa | Józefa Modzelewski | Actor | 1912 | 1 | |
| Miłaszewska, Wanda | Wanda Miłaszewska | Actor | 1912 | 2 | |
| Musgrove, Stuart | Stuart Musgrove | Actor | 1912 | 1 | |
| MacOwan, Norman | Norman MacOwan | Actor | 1912 | 1 | |
| Martin, Roy | Roy Martin | Actor | 1912 | 1 | |
| Marten, Emma | Emma Marten | Actor | 1912 | 1 | |
| Morelli, Max | Max Morelli | Actor | 1912 | 1 | |
| Maurer, Otto, von | Otto von Maurer | Actor | 1912 | 1 | |
| Mihalescu, Alexandru | Alexandru Mihalescu | Actor | 1912 | 1 | |
| Meditz, Mary | Mary Meditz | Actor | 1912 | 1 | |
| Muñoz, Miguel, | Miguel Muñoz | Actor, Director | 1912 - 1919 | 3 | |
| Mullot, -, | - Mullot | Actor | 1912 - 1920 | 6 | |
| Mayen, Maria, | Maria Mayen | Actor | 1912 - 1921 | 5 | |
| Merhaut, Vladimír, | Vladimír Merhaut | Actor | 1912 - 1922 | 6 | |
| Meißner, Käthe, | Käthe Meißner | Actor | 1912 - 1924 | 10 | |
| Märker, Margarethe, | Margarethe Märker | Actor | 1912 - 1924 | 4 | |
| Mogensen, Laura | Laura Mogensen | Actor | 1912 - 1928 | 3 | |
| Mori, Ogai, | Ogai Mori | Translator | 1912 - 1938 | 11 | |
| Malherbe, -, | - Malherbe | Actor | 1913 | 1 | |
| Meinhard-Jünger , Rudolf, | Rudolf Meinhard-Jünger | Actor | 1913 | 1 | |
| Meißl, -, | - Meißl | Actor | 1913 | 1 | |
| Müller, L., | L. Müller | Actor | 1913 | 1 | |
| Merk, Traude, | Traude Merk | Actor | 1913 | 2 | |
| Machová, Anna, | Anna Machová | Actor | 1913 | 1 | |
| Muszkowski, (?), | (?) Muszkowski | Actor | 1913 | 1 | |
| Meyer, Inga | Inga Meyer | Actor | 1913 | 1 | |
| Moroguchi, Jyuku | Jyuku Moroguchi | Actor | 1913 | 1 | |
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