| Mikkelsen, Johannes | Johannes Mikkelsen | Costume Designer | 2001 - 2004 | 5 | |
| McCormick, F.J. | F. J. McCormick | Actor | 1923 - 1929 | 5 | 1 |
| Meyer, - | - Meyer | Actor | 1877 - 1901 | 5 | |
| Miller, Henry | Henry Miller | Director | 1906 - 1907 | 5 | 1 |
| Meriste, Triinu | Triinu Meriste | Actor | 2007 - 2008 | 5 | |
| Müller, Rolf | Rolf Müller | Actor | 1918 - 1943 | 5 | |
| Maltana-Scharschmidt, Else | Else Maltana-Scharschmidt | Actor | 1919 - 1920 | 5 | |
| Masi, Giuseppe | Giuseppe Masi | Actor | 1898 - 1909 | 5 | |
| Marques, Waldemar | Waldemar Marques | Actor | 1971 - 1973 | 5 | |
| Molander, Lydia | Lydia Molander | Actor | 1889 - 1919 | 5 | |
| Morriënc, Henri | Henri Morriënc | Actor | 1891 - 1931 | 5 | |
| Möller, Mr. | Mr. Möller | Actor | 1900 - 1914 | 5 | |
| Moore, Hedwige | Hedwige Moore | Actor | 1895 - 1898 | 5 | |
| Mayen, Maria | Maria Mayen | Actor | 1912 - 1921 | 5 | |
| Meyer-Eigen, August | August Meyer-Eigen | Actor | 1889 - 1902 | 5 | |
| Meyer, Grete | Grete Meyer | Actor | 1898 - 1917 | 5 | |
| Moebius, Eugen | Eugen Moebius | Actor, Director | 1904 - 1911 | 5 | |
| Maur, Meinhart | Meinhart Maur | Actor | 1907 - 1914 | 5 | |
| Marx, Max | Max Marx | Actor | 1914 - 1928 | 5 | 1 |
| Melow, Albert | Albert Melow | Actor | 1917 - 1928 | 5 | |
| Mierendorff, Hans | Hans Mierendorff | Actor | 1911 - 1936 | 5 | |
| Maack, Frk. | Frk. Maack | Actor | 1918 | 5 | |
| Maierhofer, Ferdinand | Ferdinand Maierhofer | Actor | 1920 - 1946 | 5 | |
| Medenwaldt, Immanuel | Immanuel Medenwaldt | Actor | 1921 - 1934 | 5 | |
| Marks, Eduard | Eduard Marks | Actor, Director | 1927 - 1956 | 5 | 1 |
| Mann-Bouwmeester, Theo | Theo Mann-Bouwmeester | Actor | 1900 - 1914 | 5 | |
| Munt, E. | E. Munt | Actor | 1900 - 1924 | 5 | |
| Miarczyński, Włodzimierz | Włodzimierz Miarczyński | Actor | 1901 - 1912 | 5 | |
| Mantschev, Zvetan | Zvetan Mantschev | Actor | 1902 - 1909 | 5 | |
| Mason, William C. | William C. Mason | Actor | 1906 - 1926 | 5 | |
| Mowinckel-Nilsen, Aug. | August Mowinckel-Nilsen (Aug. Mowinckel-Nilsen) | Actor | 1907 - 1928 | 5 | |
| Martynowicz, Władysław | Władysław Martynowicz | Actor | 1908 - 1913 | 5 | |
| Maddern, Merle | Merle Maddern | Actor | 1910 - 1948 | 5 | 1 |
| Meynell, Eleanor | Eleanor Meynell | Actor | 2001 | 5 | |
| MacIntyre, Stuart | Stuart MacIntyre | Actor | 2001 | 5 | |
| Martinsen, Øystein | Øystein Martinsen | Actor | 2003 - 2016 | 5 | 2 |
| Molberg, Karen Sofie Brath | Karen Sofie Brath Molberg | Actor | 2012 - 2013 | 5 | |
| Merrall, Mary | Mary Merrall | Actor | 1918 - 1972 | 5 | |
| Mielziner, Jo | Jo Mielziner | Costume Designer, Designer | 1925 - 1932 | 5 | |
| Meek, Barbara | Barbara Meek | Actor | 1975 - 1983 | 5 | |
| Meyer, Hannes | Hannes Meyer | Costume Designer, Designer | 1965 - 1974 | 5 | |
| Mueller-Stahl, Hagen | Hagen Mueller-Stahl | Adaptation, Director | 1972 - 1975 | 5 | |
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