| Möser, Nicola | Nicola Möser | Costume Designer | 2005 - 2006 | 4 | |
| Mădescu, Mihai | Mihai Mădescu | Costume Designer, Designer | 1972 - 1992 | 4 | |
| Muire, Frk., | Frk. Muire | Actor | 1889 | 4 | |
| Marengo, Bruno | Bruno Marengo | Actor | 1997 | 4 | |
| Marengo, Maria | Maria Marengo | Actor | 1997 | 4 | |
| Maslo, Arthur | Arthur Maslo | Actor | 1997 | 4 | |
| Moor, Louis B. J., | Louis B. J. Moor (Louis B. J. Moor) | Actor, Director | 1880 | 4 | |
| Montenegro, Ira | Ira Montenegro | Lighting Designer | 1988 | 4 | |
| Melander, Nils | Nils Melander | Actor | 2001 | 4 | |
| Minkus, Hannelore | Hannelore Minkus | Actor | 1953 | 4 | |
| Merten, Claudius, | Claudius Merten | Actor | 1889 - 1895 | 4 | |
| Madorsky, Jenny, | Jenny Madorsky | Actor | 2011 | 4 | 4 |
| Maloya, Chimwemwe, | Chimwemwe Maloya | Actor | 2006 | 4 | |
| Maher, Matthew | Matthew Maher | Actor | 2011 - 2020 | 4 | 2 |
| Marshall, Caleb | Caleb Marshall | Actor, Director | 2011 | 4 | |
| Müller II, Fräul., | Fräul. Müller II | Actor | 1889 - 1891 | 4 | |
| Moretti, Ivan | Ivan Moretti | Actor | 2008 | 4 | |
| Murchio, Mario | Mario Murchio | Designer | 2008 | 4 | |
| Monsen, Hans, | Hans Monsen | Actor | 1861 - 1864 | 4 | |
| Meyer, Fru, | Fru Meyer | Actor | 1871 | 4 | |
| Martin, -, | - Martin | Actor | 1877 - 1881 | 4 | |
| Malmgren, Oscar, | Oscar Malmgren | Actor | 1886 - 1896 | 4 | |
| Mickler, Wilhelm, | Wilhelm Mickler | Actor | 1886 | 4 | |
| Møller, Alfred, | Alfred Møller | Actor | 1887 - 1901 | 4 | |
| Mylius, Adolf, | Adolf Mylius | Actor | 1888 - 1898 | 4 | |
| Michal, -, | - Michal | Actor | 1889 | 4 | |
| Müller, Alexis, | Alexis Müller | Actor | 1890 | 4 | |
| Meyer, A., | A. Meyer | Actor | 1881 | 4 | |
| Meyer, Josephine, | Josephine Meyer | Actor | 1891 - 1896 | 4 | |
| Metzl, Mr., | Mr. Metzl | Actor | 1893 | 4 | |
| Maurer, Frk., | Frk. Maurer | Actor | 1893 | 4 | |
| Metzl, Ottilie, | Ottilie Metzl | Actor | 1894 - 1907 | 4 | |
| Mantzius, Soffy, | Soffy Mantzius | Actor | 1895 - 1899 | 4 | |
| Mößl, Alois, | Alois Mößl | Actor | 1894 | 4 | |
| Marcks, Auguste, | Auguste Marcks | Actor | 1896 - 1909 | 4 | |
| Müller, Fritz, | Fritz Müller | Actor | 1908 - 1932 | 4 | |
| Maier, Anja, | Anja Maier | Costume Designer | 2004 - 2006 | 4 | |
| Martini, Willy, | Willy Martini | Actor, Director | 1900 - 1904 | 4 | |
| Mitschkowski, Arthur, | Arthur Mitschkowski | Actor | 1904 - 1910 | 4 | |
| Marlow, Eugen, | Eugen Marlow | Actor | 1906 - 1918 | 4 | |
| Medelsky, Hermine, | Hermine Medelsky | Actor | 1908 | 4 | |
| Müller, Karl, | Karl Müller | Actor | 1910 - 1912 | 4 | |
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