| McCormick, Martin | Martin McCormick | Actor | 2007 - 2009 | 8 | |
| Makarevitch, Elisa | Elisa Makarevitch | Actor | 2008 | 8 | |
| Mäusli, Olivier | Olivier Mäusli | Actor | 2008 | 8 | |
| Miettinen, Jarkko | Jarkko Miettinen | Actor | 2008 | 8 | |
| Moise, Corina | Corina Moise | Actor | 2011 - 2019 | 8 | |
| May, Gudrun | Gudrun May | Actor | 2011 | 8 | |
| Mitchell, Irving | Irving Mitchell | Actor | 1935 | 8 | |
| Mihályfi, László | László Mihályfi | Actor | 1922 - 1930 | 8 | |
| Montaudié, Gilles | Gilles Montaudié | Designer | 2018 - 2019 | 8 | |
| Monten, Joshua | Joshua Monten | Choreographer | 2019 | 8 | |
| Matter, Noah | Noah Matter | Actor | 2019 | 8 | |
| Merolli, Gianluca | Gianluca Merolli | Actor | 2022 | 8 | |
| Mortensson, Maria Zakrisson | Maria Zakrisson Mortensson | Actor | 2022 | 8 | |
| Melgares, Héctor | Héctor Melgares | Actor | 2016 | 8 | |
| Molina, Juan Antonio | Juan Antonio Molina | Actor | 2016 | 8 | |
| Montesinos, Guillermo | Guillermo Montesinos | Actor | 2016 | 8 | |
| Marquerie, Carlos | Carlos Marquerie | Lighting Designer | 2018 | 8 | |
| Meyers, Lorna Lynn | Lorna Lynn Meyers (Lorna Lynn Meyers) | Actor | 1937 - 1938 | 7 | |
| Major, Tamás | Tamás Major (Tamás Major) | Actor | 1931 - 1941 | 7 | |
| Morska-Popławska, Gabriela | Gabriela Morska-Popławska (Gabriela Morska-Popławska) | Actor | 1900 - 1908 | 7 | |
| Mackmin, Scarlett | Scarlett Mackmin (Scarlett Mackmin) | Choreographer | 2004 | 7 | |
| Majchrzycki, Henio | Henio Majchrzycki (Henio Majchrzycki) | Actor | 1905 - 1906 | 7 | |
| Maltauro, Marco | Marco Maltauro (Marco Maltauro) | Actor, Adaptation, Director, Translator | 1993 - 1994 | 7 | |
| Marx-Aveling, Eleanor | Eleanor Marx-Aveling (Eleanor Marx-Aveling) | Translator | 1891 - 2010 | 7 | |
| McRae, Bruce | Bruce McRae (Bruce McRae) | Actor | 1905 - 1908 | 7 | |
| Michael, Peter | Peter Michael (Peter Michael) | Actor | 2007 - 2011 | 7 | 1 |
| Mierlauks, Aleksis | Aleksis Mierlauks (Aleksis Mierlauks) | Actor, Director | 1905 - 1921 | 7 | |
| Mislin, Marcus | Marcus Mislin (Marcus Mislin) | Actor, Director | 1987 - 2013 | 7 | 1 |
| Mitchell, Ruth | Ruth Mitchell (Ruth Mitchell) | Actor | 1994 - 2005 | 7 | |
| Moog, Heinz | Heinz Moog (Heinz Moog) | Actor | 1947 - 1976 | 7 | |
| Müller, Agnes | Agnes Müller (Agnes Müller) | Actor | 1898 - 1907 | 7 | |
| Müller, Gertrud | Gertrud Müller (Gertrud Müller) | Actor | 1894 - 1941 | 7 | |
| Myrann Sørbøe, Ilene | Ilene Myrann Sørbøe (Ilene Myrann Sørbøe) | Actor, Director | 1999 - 2015 | 7 | |
| Moodie, Tanya | Tanya Moodie (Tanya Moodie) | Actor | 1994 - 2005 | 7 | |
| Merlo, Silvia | Silvia Merlo (Silvia Merlo) | Designer | 2006 - 2019 | 7 | |
| Mozart, Wolfgang Amadeus | Wolfgang Amadeus Mozart (Wolfgang Amadeus Mozart) | Composer | 1879 - 2008 | 7 | |
| Müller, Ludwig | Ludwig Müller | Actor | 1889 - 1911 | 7 | |
| Mazzocca, Ida | Ida Mazzocca (Ida Mazzocca) | Actor | 1892 - 1899 | 7 | |
| Mellot, Marthe | Marthe Mellot (Marthe Mellot) | Actor | 1893 - 1898 | 7 | |
| Marba, Jenny | Jenny Marba (Jenny Marba) | Actor | 1895 - 1919 | 7 | |
| Marlow, Heinrich | Heinrich Marlow (Heinrich Marlow) | Actor | 1900 - 1933 | 7 | |
| Mesmer, Hermann | Hermann Mesmer (Hermann Mesmer) | Actor | 1915 - 1938 | 7 | |
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