| Marx, Carl | Carl Marx | Actor | 1883 - 1926 | 12 | 2 |
| Mancke, Paula | Paula Mancke | Actor | 1893 - 1900 | 12 | |
| Mathiesen, Anna | Anna Mathiesen | Actor | 1897 | 12 | 1 |
| Madsen, Carl | Carl Madsen | Actor | 1899 - 1904 | 12 | |
| Meyer, Alfred | Alfred Meyer | Actor | 1910 - 1928 | 12 | 1 |
| MacDermott, Marc | Marc MacDermott | Actor | 1906 - 1907 | 12 | |
| Moen, Svein | Svein Moen | Actor | 1971 - 1978 | 12 | 1 |
| Munch, Trond Peter Stamsø | Trond Peter Stamsø Munch | Actor | 1992 - 2017 | 12 | 1 |
| Myhre, Hild Østerberg | Hild Østerberg Myhre | Actor | 2004 - 2012 | 12 | |
| Mjøs, Njål Helge | Njål Helge Mjøs | Adaptation, Dramaturg | 2011 - 2018 | 12 | 1 |
| Mencák, Břetislav | Břetislav Mencák | Translator | 1958 - 2012 | 12 | 1 |
| Meyer, Karin | Karin Meyer | Actor | 1922 - 1940 | 12 | 1 |
| Malmsjö, Jan | Jan Malmsjö | Actor | 1972 - 2006 | 12 | 1 |
| Marowitz, Charles | Charles Marowitz | Adaptation, Director | 1978 - 1990 | 12 | 1 |
| Magnusdotter Solem, Marte | Marte Magnusdotter Solem | Actor | 2014 - 2020 | 12 | |
| Mouchel, Luce | Luce Mouchel | Actor | 2014 - 2016 | 12 | |
| Marggraf, Erhard | Erhard Marggraf | Actor | 1991 - 2003 | 12 | |
| Mignolli, Monica | Monica Mignolli | Actor | 1995 - 1996 | 12 | |
| Minis, Hadewych | Hadewych Minis | Actor | 2010 - 2012 | 12 | |
| Metaxa, Argyro | Argyro Metaxa | Composer | 1961 - 1997 | 12 | |
| Mergnat, Alain | Alain Mergnat | Actor | 2001 | 12 | |
| Mircovich, Natacha | Natacha Mircovich | Actor | 2001 | 12 | |
| Moumouris, Oliver | Oliver Moumouris | Actor | 2005 - 2006 | 12 | |
| Maar, Paul | Paul Maar | Adaptation, Translator | 2009 - 2012 | 12 | |
| M.G., Jyothish | Jyothish M.G. | Adaptation, Choreographer, Designer, Director | 2009 - 2012 | 12 | |
| Marquardt, Bernd | Bernd Marquardt | Actor | 2010 - 2011 | 12 | |
| Macri-Eftimiu, Agepsina | Agepsina Macri-Eftimiu | Actor | 1920 - 1941 | 12 | |
| McGinnis, Christian | Christian McGinnis | Actor | 2011 | 12 | |
| McCallops, Michael | Michael McCallops | Actor | 2011 | 12 | |
| Mitchell, Megan | Megan Mitchell | Actor | 2011 | 12 | |
| McGowan, Terah | Terah McGowan | Actor | 2011 | 12 | |
| Manolescu, Ion | Ion Manolescu | Actor | 1914 - 1954 | 12 | |
| Munshi, Donna | Donna Munshi | Actor | 2016 - 2017 | 12 | |
| Mest, Aurélie | Aurélie Mest | Actor, Costume Designer, Director | 2016 - 2017 | 12 | |
| Mailliard, Véronique | Véronique Mailliard | Actor | 2010 - 2011 | 12 | |
| Munárriz, Miguel | Miguel Munárriz | Director | 2009 | 12 | |
| Matioc, Adrian | Adrian Matioc | Actor | 2004 - 2018 | 11 | |
| Mährdel, Emil | Emil Mährdel | Actor | 1900 - 1904 | 11 | |
| Mori, Ogai | Ogai Mori | Translator | 1912 - 1938 | 11 | 1 |
| Müller, Erno | Erno Müller | Actor | 1957 - 1985 | 11 | 1 |
| Münzner, Wolf | Wolf Münzner | Costume Designer, Designer | 1968 - 2001 | 11 | |
| Modes, Theo | Theo Modes | Actor, Designer, Director | 1915 - 1924 | 11 | |
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