| McGregor, Ross | Ross McGregor | Director | 2010 | 15 | |
| Mark, Josef, | Josef Mark | Actor | 1878 - 1911 | 15 | |
| Miethke, Otto, | Otto Miethke | Actor | 1904 - 1916 | 15 | |
| Myrat, Mitsos, | Mitsos Myrat | Actor | 1901 - 1921 | 15 | |
| Murel, Martin, | Martin Murel | Actor | 2012 - 2013 | 15 | |
| 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 - 1937 | 15 | |
| Müller, Betty | Betty Müller | Actor | 1895 | 15 | |
| Manoledakis, Ioanna | Ioanna Manoledakis | Costume Designer, Designer | 1988 - 2007 | 16 | |
| Marchioni, Vinicio, | Vinicio Marchioni | Actor | 2002 - 2005 | 16 | |
| Matthiae, Oliver, | Oliver Matthiae | Actor | 2002 - 2007 | 16 | |
| Mejlænder-Hellesen, Marie, | Marie Mejlænder-Hellesen | Actor | 1891 - 1911 | 16 | |
| Meyenburg, Susanne | Susanne Meyenburg | Actor | 2006 | 16 | |
| Meyer, René-Philippe | René-Philippe Meyer | Actor | 2008 - 2011 | 16 | 16 |
| Morschett, Karsten | Karsten Morschett | Actor | 2006 | 16 | |
| Møller, Valdemar, | Valdemar Møller | Actor | 1906 - 1934 | 16 | |
| Mogendorf, Thomas | Thomas Mogendorf | Costume Designer, Designer | 1983 - 2006 | 16 | |
| Menarguez, Manuel | Manuel Menarguez | Actor | 2009 | 16 | |
| Martersteig, Max, | Max Martersteig | Actor, Adaptation, Director | 1878 - 1917 | 16 | |
| Møller, Christian, | Christian Møller | Actor | 1885 - 1893 | 16 | |
| Magris, Claudio | Claudio Magris | Translator | 1974 - 2012 | 16 | |
| Mompaïtzis, Antonis | Antonis Mompaïtzis | Actor | 1995 | 16 | |
| Martins, Henrique | Henrique Martins | Designer, Lighting Designer | 1996 - 1997 | 16 | |
| Murakami, Hiroshi | Hiroshi Murakami | Actor | 1978 - 2008 | 16 | |
| Martineau, Géraldine | Géraldine Martineau | Actor | 2008 - 2009 | 16 | |
| Monti, Rosanna | Rosanna Monti | Costume Designer | 2011 - 2013 | 16 | |
| Mermigkis, Stavros | Stavros Mermigkis | Actor | 2011 - 2012 | 16 | |
| McMenamin, Patricia | Patricia McMenamin | Actor | 1980 | 16 | |
| Mythen, Máirín | Máirín Mythen | Actor | 1980 | 16 | |
| McFarlane, James Walter, | James Walter McFarlane (James Walter McFarlane) | Translator | 1962 - 2012 | 17 | |
| Mitchell, Dodson, | Dodson Mitchell | Actor | 1906 - 1915 | 17 | |
| Matthaes, Heinrich, | Heinrich Matthaes | Actor | 1889 - 1913 | 17 | |
| Mielewski, Andrzej, | Andrzej Mielewski | Actor, Director | 1894 - 1913 | 17 | |
| Mamelok, Emil, | Emil Mamelok | Actor, Director | 1909 - 1945 | 17 | |
| Morlinghaus, Marcus | Marcus Morlinghaus | Actor | 1990 - 2007 | 17 | |
| Maeda, Fumiko | Fumiko Maeda | Costume Designer | 2002 - 2010 | 17 | |
| Mikat, Mareike | Mareike Mikat | Director | 2014 - 2016 | 17 | |
| Miles, Geoff | Geoff Miles | Sound Designer | 2017 | 17 | |
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