| Mumm, Bob C. | Bob C. Mumm | Lighting Designer | 1988 | 1 | |
| Müller-Rudolph, Minna | Minna Müller-Rudolph | Actor | 1891 - 1914 | 6 | |
| Meharg, Jennie | Jennie Meharg | Actor | 2010 | 1 | |
| Moon, John C. | John C. Moon | Actor | 2010 | 1 | |
| Morris, Patricia S. | Patricia S. Morris | Costume Designer | 2010 | 1 | |
| Montañez, Nora | Nora Montañez | Actor | 2010 | 1 | |
| Marceau, Emily | Emily Marceau | Actor | 2010 | 1 | |
| Martins, Odilon | Odilon Martins | Actor | 1964 | 1 | |
| Mohebbi, Nima | Nima Mohebbi | Actor | 2011 | 2 | |
| Menarguez, Manuel | Manuel Menarguez | Actor | 2009 - 2010 | 16 | |
| Masi, Giuseppe | Giuseppe Masi | Actor | 1898 - 1909 | 5 | |
| Masi, Elisa Berti | Elisa Berti Masi | Actor | 1896 - 1898 | 3 | |
| Mari, Mr. | Mr. Mari | Actor | 1896 - 1898 | 3 | |
| Marques, Waldemar | Waldemar Marques | Actor | 1971 - 1973 | 5 | |
| Morrow, Allison | Allison Morrow | Actor | 2011 | 1 | |
| McGregor, Ross | Ross McGregor | Director | 2010 | 15 | |
| Murchio, Andrea | Andrea Murchio | Actor, Adaptation, Director | 2008 - 2011 | 12 | |
| Moretti, Ivan | Ivan Moretti | Actor | 2008 - 2011 | 4 | |
| Murchio, Mario | Mario Murchio | Designer | 2008 - 2011 | 4 | |
| Monsen, Hans | Hans Monsen | Actor | 1861 - 1864 | 4 | |
| Monsen, Sophie | Sophie Monsen | Actor | 1861 - 1862 | 2 | |
| Möller, - | - Möller | Actor | 1856 | 2 | |
| Malthe, Lina V. | Lina V. Malthe | Actor | 1870 - 1873 | 3 | |
| Meyer, Albert | Albert Meyer | Actor | 1861 | 1 | |
| Moritzon, Mr. | Mr. Moritzon | Actor | 1870 - 1871 | 8 | |
| Midling, Julius | Julius Midling | Actor | 1864 - 1866 | 2 | |
| Monrad Krohn, Gyda Martha Kristine | Gyda Martha Kristine Monrad Krohn | | | | |
| Møller, Frk. | Frk. Møller | Actor | 1871 | 6 | |
| Møller, O. | O. Møller | Actor | 1871 | 6 | |
| Müller, Fru | Fru Müller | Actor | 1857 - 1871 | 9 | |
| Meyer, Fru | Fru Meyer | Actor | 1871 - 1872 | 4 | |
| Meier, Emma | Emma Meier | Actor | 1872 | 2 | |
| Müller, H. | H. Müller | Designer | 1875 | 1 | |
| Malmgren, Mr. | Mr. Malmgren | Actor | 1875 - 1881 | 3 | |
| Müller, Herr | Herr Müller | Actor | 1876 - 1878 | 3 | |
| Michelsen, Elisa | Elisa Michelsen | Actor | 1877 - 1886 | 10 | |
| Moe, - | - Moe | Actor | 1886 | 1 | |
| Madsen, Axel | Axel Madsen | Actor | 1880 - 1915 | 10 | |
| Miebach, - | - Miebach | Actor | 1877 - 1880 | 3 | |
| Michelsen, - | - Michelsen | Actor | 1881 | 1 | |
| Martin, - | - Martin | Actor | 1877 - 1899 | 4 | |
| Mejo, Wilhelm | Wilhelm Mejo | Actor | 1878 | 1 | |
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