| Ming, Ren | Ren Ming | Director | 2014 - 2023 | 14 | |
| Massari, Liliana | Liliana Massari | Actor | 1995 - 2012 | 14 | |
| Martino, Federica Di | Federica Di Martino | Actor | 2013 - 2018 | 14 | |
| Mosler, Marlit | Marlit Mosler | Costume Designer, Designer | 2002 | 14 | |
| Mildeová, Zuzana | Zuzana Mildeová | Adaptation, Dramaturg | 2009 - 2012 | 14 | |
| Miller, Sofie | Sofie Miller | Actor | 2005 - 2006 | 14 | |
| Mari, Pasquale | Pasquale Mari | Lighting Designer | 1999 - 2021 | 14 | |
| Miftahelkehir, Abdesamade | Abdesamade Miftahelkehir | Actor | 2002 | 14 | |
| Meyer, Marie | Marie Meyer | Actor | 1878 - 1904 | 15 | 1 |
| Marker, Lise-Lone | Lise-Lone Marker | Translator | 1972 - 2018 | 15 | 1 |
| Mattsson, Per | Per Mattsson | Actor | 1989 - 1998 | 15 | 1 |
| Moder, Janko | Janko Moder | Translator | 1970 - 2019 | 15 | 1 |
| Mansour, Youssef Ait | Youssef Ait Mansour | Actor | 2002 - 2017 | 15 | |
| Martin, Jacques | Jacques Martin | Actor | 1906 - 1909 | 15 | |
| Moen, Merete | Merete Moen | Actor | 1978 - 2010 | 15 | 1 |
| McGregor, Ross | Ross McGregor | Director | 2010 | 15 | |
| Mark, Josef | Josef Mark | Actor | 1878 - 1938 | 15 | |
| Miethke, Otto | Otto Miethke | Actor | 1904 - 1928 | 15 | |
| Myrat, Mitsos | Mitsos Myrat | Actor | 1901 - 1926 | 15 | |
| Murel, Martin | Martin Murel | Actor | 2012 - 2013 | 15 | |
| Mørk, Erik | Erik Mørk | Actor | 1951 - 2004 | 15 | 1 |
| Manson Jones, Rebecca | Rebecca Manson Jones | Adaptation, Director | 2009 - 2013 | 15 | |
| Mucchiano, Pia | Pia Mucchiano | Actor | 1991 - 1993 | 15 | |
| Modsakul, Oruma | Oruma Modsakul | Actor, Costume Designer | 2005 | 15 | |
| Mercado, Antonio | Antonio Mercado | Director, Lighting Designer | 2006 - 2007 | 15 | |
| Merino, Anna | Anna Merino | Mask Maker | 2008 | 15 | |
| Morris, McKay | McKay Morris | Actor | 1935 - 1939 | 15 | |
| Müller, Betty | Betty Müller | Actor | 1895 | 15 | |
| Merolli, Gianluca | Gianluca Merolli | Actor | 2022 - 2023 | 15 | |
| Manoledakis, Ioanna | Ioanna Manoledakis | Costume Designer, Designer | 1988 - 2006 | 16 | |
| Marchioni, Vinicio | Vinicio Marchioni | Actor | 2002 - 2005 | 16 | |
| Matthiae, Oliver | Oliver Matthiae | Actor | 2002 - 2008 | 16 | 1 |
| Mejlænder-Hellesen, Marie | Marie Mejlænder-Hellesen | Actor | 1891 - 1921 | 16 | 1 |
| Meyenburg, Susanne | Susanne Meyenburg | Actor | 2006 | 16 | |
| Morschett, Karsten | Karsten Morschett | Actor | 2006 | 16 | |
| Møller, Valdemar | Valdemar Møller | Actor | 1906 - 1933 | 16 | 1 |
| Mogendorf, Thomas | Thomas Mogendorf | Costume Designer, Designer | 1983 - 2006 | 16 | 1 |
| Menarguez, Manuel | Manuel Menarguez | Actor | 2009 - 2010 | 16 | |
| Martersteig, Max | Max Martersteig | Actor, Adaptation, Director | 1878 - 1918 | 16 | 1 |
| Møller, Christian | Christian Møller | Actor | 1885 - 1894 | 16 | 1 |
| Malmgren, Sigge | Sigge Malmgren | Actor | 1882 - 1895 | 16 | 1 |
| Mompaïtzis, Antonis | Antonis Mompaïtzis | Actor | 1995 | 16 | |
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