| Mauren, Willy, | Willy Mauren | Actor | 1894 - 1896 | 3 | |
| Mehnert, Lothar, | Lothar Mehnert | Actor, Director | 1895 - 1920 | 10 | |
| Maggi, Andrea, | Andrea Maggi | Actor | 1896 | 1 | |
| Martial, Régine, | Régine Martial | Actor | 1896 | 2 | |
| Marikos, Athanasios, | Athanasios Marikos | Actor | 1896 - 1928 | 13 | |
| Martinelli, Fr., | Fr. Martinelli | Actor | 1896 | 1 | |
| Martin, Olga, | Olga Martin | Actor | 1896 | 1 | |
| Maude, Hilda, | Hilda Maude | Actor | 1896 | 1 | |
| Müller, Ms., | Ms. Müller | Actor | 1896 - 1897 | 2 | |
| Mößl, Alois, | Alois Mößl | Actor | 1894 - 1899 | 4 | |
| Marcks, Auguste, | Auguste Marcks | Actor | 1896 - 1909 | 4 | |
| Mayer, Albert, | Albert Mayer | Actor | 1896 - 1903 | 6 | |
| Mignaun, -, | - Mignaun | Actor | 1896 | 1 | |
| Mezard, -, | - Mezard | Actor | 1896 | 1 | |
| Müller, Ernst, | Ernst Müller | Actor | 1896 - 1897 | 3 | |
| Mulder, -, | - Mulder | Actor | 1896 | 1 | |
| Müller, Lina, | Lina Müller | Actor | 1897 | 1 | |
| Medelsky, Lotte, | Lotte Medelsky | Actor | 1897 - 1931 | 18 | |
| Mayen, Maria, | Maria Mayen | Actor | 1912 - 1921 | 5 | |
| Müller, Fritz, | Fritz Müller | Actor | 1908 - 1932 | 4 | |
| Mathiesen, Anna, | Anna Mathiesen | Actor | 1897 | 12 | |
| Milbitz, -, | - Milbitz | Actor | 1897 | 1 | |
| Matějovský, František, | František Matějovský | Actor | 1897 - 1920 | 2 | |
| Muceniece, Otīlija, | Otīlija Muceniece | Actor, Director | 1897 - 1923 | 11 | |
| Max, Ludwig, | Ludwig Max | Actor | 1897 - 1903 | 3 | |
| Milo, Ms., | Ms. Milo | Actor | 1897 | 1 | |
| Marner, Egon, | Egon Marner | Actor | 1897 | 1 | |
| Maupas, Marguerite, | Marguerite Maupas | Actor | 1897 | 1 | |
| MacDonnell, Flora, | Flora MacDonnell | Actor | 1897 - 1904 | 2 | |
| Mahood, J.W., | J. W. Mahood (J.W. Mahood) | Actor | 1897 | 1 | |
| Maddock, Lily, | Lily Maddock | Actor | 1897 | 1 | |
| Maddock, S.W., | S. W. Maddock (S.W. Maddock) | Actor | 1897 | 1 | |
| Marikou, Amalia, | Amalia Marikou | Actor | 1897 - 1916 | 9 | |
| Maier, Anja, | Anja Maier | Costume Designer | 2004 - 2006 | 4 | |
| Meckbach, Eva, | Eva Meckbach | Actor | 2012 - 2019 | 41 | |
| Mehrer, Frk., | Frk. Mehrer | Actor | 1898 | 1 | |
| Mühlhofer, Hans, | Hans Mühlhofer | Actor | 1898 - 1926 | 8 | |
| Mendelssohn, Arnold Ludwig, | Arnold Ludwig Mendelssohn | Composer | 1898 | 1 | |
| Meyer-Eigen, August, | August Meyer-Eigen | Actor | 1889 - 1902 | 5 | |
| Meyer, Grete, | Grete Meyer | Actor | 1898 - 1917 | 5 | |
| Milau, -, | - Milau | Actor | 1898 | 1 | |
| Marer, Johannes, | Johannes Marer | Actor | 1898 | 1 | |
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