| Mösl, Christian | Christian Mösl | Actor | 2013 | 6 | |
| Münichsdorfer, Christian | Christian Münichsdorfer | Actor | 2013 | 6 | |
| Markey, Jolande | Jolande Markey | Actor | 1956 - 1957 | 6 | |
| Mi, Le | Le Mi | Actor | 2015 - 2017 | 6 | |
| Mihail Dragomirescu, Laura | Laura Mihail Dragomirescu | Translator | 1920 - 1935 | 6 | |
| Magnusson, Sven | Sven Magnusson | Actor | 1943 | 6 | |
| McHale, Rosemary | Rosemary McHale | Actor | 1977 | 6 | 1 |
| Melander, Tomas | Tomas Melander | Adaptation, Director, Dramaturg | 1984 | 6 | 1 |
| Maarud, Amund | Amund Maarud | Actor, Composer, Musician | 2018 - 2019 | 6 | |
| Mihanović, Zoran | Zoran Mihanović | Lighting Designer | 1990 - 2018 | 6 | |
| Mejuto, Xoán Carlos | Xoán Carlos Mejuto | Actor, Adaptation, Director | 2017 - 2019 | 6 | |
| Mingo, Bernardo | Bernardo Mingo | Special Effects | 1972 - 1975 | 6 | |
| Meyers, Lorna Lynn | Lorna Lynn Meyers | Actor | 1937 - 1938 | 7 | |
| Major, Tamás | Tamás Major | Actor | 1931 - 1941 | 7 | |
| Morska-Popławska, Gabriela | Gabriela Morska-Popławska | Actor | 1900 - 1908 | 7 | |
| Mackmin, Scarlett | Scarlett Mackmin | Choreographer | 2004 | 7 | |
| Majchrzycki, Henio | Henio Majchrzycki | Actor | 1905 - 1906 | 7 | |
| Maltauro, Marco | Marco Maltauro | Actor, Adaptation, Director, Translator | 1993 - 1994 | 7 | 1 |
| Marx-Aveling, Eleanor | Eleanor Marx-Aveling | Translator | 1891 - 2010 | 7 | 1 |
| McRae, Bruce | Bruce McRae | Actor | 1905 - 1908 | 7 | 1 |
| Michael, Peter | Peter Michael | Actor | 2007 - 2011 | 7 | 1 |
| Mierlauks, Aleksis | Aleksis Mierlauks | Actor, Director | 1905 - 1921 | 7 | |
| Mislin, Marcus | Marcus Mislin | Actor, Director | 1987 - 2013 | 7 | 2 |
| Mitchell, Ruth | Ruth Mitchell | Actor | 1994 - 2005 | 7 | |
| Moog, Heinz | Heinz Moog | Actor | 1947 - 1976 | 7 | |
| Müller, Agnes | Agnes Müller | Actor | 1898 - 1907 | 7 | |
| Müller, Gertrud | Gertrud Müller | Actor | 1894 - 1941 | 7 | |
| Moodie, Tanya | Tanya Moodie | Actor | 1994 - 2005 | 7 | 1 |
| Merlo, Silvia | Silvia Merlo | Designer | 2006 - 2019 | 7 | |
| Mozart, Wolfgang Amadeus | Wolfgang Amadeus Mozart | Composer | 1879 - 2008 | 7 | 1 |
| Müller, Ludwig | Ludwig Müller | Actor | 1889 - 1911 | 7 | |
| Mazzocca, Ida | Ida Mazzocca | Actor | 1892 - 1899 | 7 | |
| Mellot, Marthe | Marthe Mellot | Actor | 1893 - 1898 | 7 | 1 |
| Marba, Jenny | Jenny Marba | Actor | 1895 - 1919 | 7 | |
| Marlow, Heinrich | Heinrich Marlow | Actor | 1900 - 1933 | 7 | 1 |
| Mesmer, Hermann | Hermann Mesmer | Actor | 1915 - 1938 | 7 | |
| Mell, Marie | Marie Mell | Actor | 1925 - 1930 | 7 | |
| Murauer, Emma | Emma Murauer | Actor | 1936 - 1962 | 7 | |
| Maret, Jean-Claude | Jean-Claude Maret | Costume Designer, Designer | 1986 - 2012 | 7 | |
| Moreno, Amparo | Amparo Moreno | Actor | 2006 | 7 | |
| Miljeteig, Sjur | Sjur Miljeteig | Composer, Musician | 2011 - 2021 | 7 | |
| McNutt, Patterson | Patterson McNutt | Producer | 1926 - 1927 | 7 | |
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