| Maddern, Mary, | Mary Maddern | Actor | 1902 - 1904 | 10 | |
| Mitra, Sambhu, | Sambhu Mitra | Actor, Adaptation, Director, Translator | 1952 - 1958 | 10 | |
| Murchison, Ruari | Ruari Murchison | Designer | 2002 - 2006 | 10 | |
| Molron, France, | France Molron | Actor | 1975 - 1977 | 10 | |
| Merten, Thorsten | Thorsten Merten | Actor | 1994 - 1998 | 10 | |
| Moen, Ingvald | Ingvald Moen | Actor | 1974 | 10 | |
| Mestrez, Hubert, | Hubert Mestrez | Actor | 1975 - 1977 | 10 | |
| Mackert, Pia Maria | Pia Maria Mackert | Costume Designer, Designer | 2011 - 2012 | 10 | |
| Michelsen, Elisa, | Elisa Michelsen | Actor | 1877 - 1881 | 10 | |
| Madsen, Axel, | Axel Madsen | Actor | 1880 - 1902 | 10 | |
| Malmgren, Oskar, | Oskar Malmgren | Director, Translator | 1878 - 1885 | 10 | |
| Marx, Carl, | Carl Marx | Actor | 1883 | 10 | |
| Michelsen, Frk., | Frk. Michelsen | Actor | 1889 | 10 | |
| Mušek, Karel, | Karel Mušek | Actor | 1891 - 1921 | 10 | |
| Marini, Virginia, | Virginia Marini | Actor | 1892 | 10 | |
| Moro-Pilotto, Antonietta, | Antonietta Moro-Pilotto | Actor | 1892 - 1893 | 10 | |
| Meßthaler, Emil, | Emil Meßthaler | Actor | 1894 | 10 | |
| Mehnert, Lothar, | Lothar Mehnert | Actor, Director | 1895 - 1920 | 10 | |
| Meißner, Käthe, | Käthe Meißner | Actor | 1912 | 10 | |
| Müller-Hanno, Minna, | Minna Müller-Hanno | Actor | 1916 - 1925 | 10 | |
| Müthel, Lothar, | Lothar Müthel | Actor, Director | 1923 - 1947 | 10 | |
| Maximowna, Ita, | Ita Maximowna | Costume Designer, Designer | 1949 | 10 | |
| Massalitinov, N., | Nikolaj O. Massalitinov (N. Massalitinov) | Actor, Director | 1900 - 1930 | 10 | |
| Moret, Henriette, | Henriette Moret | Actor | 1906 | 10 | |
| Mahler, Gustav, | Gustav Mahler | Composer | 1979 - 1996 | 10 | |
| Moe, Trond Halstein, | Trond Halstein Moe | Actor | 2004 - 2006 | 10 | |
| Mikaelsen, Magnus, | Magnus Mikaelsen | Lighting Designer | 2010 - 2019 | 10 | |
| Mihályi, Mária | Mária Mihályi | Actor | 1927 | 10 | |
| Martin, Christopher | Christopher Martin | Actor, Adaptation, Designer, Director | 1974 - 1982 | 10 | |
| Murad, Samir | Samir Murad | Actor | 2004 - 2006 | 10 | |
| Marins, Carla | Carla Marins | Actor | 2004 - 2006 | 10 | |
| McCauley, Peter | Peter McCauley | Actor | 1990 - 2019 | 10 | |
| Mayer, Kit | Kit Mayer | Designer, Lighting Designer | 2006 - 2014 | 10 | |
| Marie, Madeleine | Madeleine Marie | Actor | 1981 - 2005 | 10 | |
| Mustoff, Sonja | Sonja Mustoff | Actor | 1971 - 2008 | 10 | |
| Morahan, Hattie | Hattie Morahan | Actor | 2012 - 2016 | 10 | 10 |
| Meyer, Gabriele | Gabriele Meyer | Actor | 1987 | 10 | |
| Moshammer, Bernhard | Bernhard Moshammer | Musical Director | 2014 - 2017 | 10 | |
| Marques, Arnaldo | Arnaldo Marques | Actor | 1982 | 10 | |
| Müller-Elmau, Katharina | Katharina Müller-Elmau | Actor | 1995 | 10 | |
| Morlacchi, Lucilla | Lucilla Morlacchi | Actor | 1977 - 2003 | 10 | |
| Michalek, Wolfgang | Wolfgang Michalek | Actor | 2003 - 2009 | 10 | |
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