| Modrzejewska, Helena | Helena Modrzejewska | Actor | 1882 - 1885 | 2 | 2 |
| Molander, Harald | Harald Molander | Actor, Director, Translator | 1885 - 1944 | 48 | 2 |
| Müller, Ludvig | Ludvig Müller | Actor, Director | 1897 - 1913 | 19 | 2 |
| Mærli, Terje | Terje Mærli | Adaptation, Director, Producer | 1973 - 2007 | 221 | 2 |
| Meløy, Marianne | Marianne Meløy | Actor | 1994 - 2010 | 2 | 2 |
| McKinven, Neil | Neil McKinven | Actor | 2010 - 2021 | 6 | 2 |
| Mantzius, Kristian | Kristian Mantzius | Actor | 1870 | 2 | 2 |
| Mitterwurzer, Friedrich | Friedrich Mitterwurzer | Actor | 1876 - 1897 | 12 | 2 |
| Marx, Carl | Carl Marx | Actor | 1883 - 1926 | 12 | 2 |
| Munch, Edvard | Edvard Munch | Designer | 1906 - 1966 | 9 | 2 |
| Moslet, Bibbi | Bibbi Moslet | Adaptation, Dramaturg | 2003 - 2013 | 137 | 2 |
| Mørk-Eidem, Alexander | Alexander Mørk-Eidem | Actor, Adaptation, Designer, Director | 1991 - 2016 | 32 | 2 |
| Mærli, Ragnhild | Ragnhild Mærli | Adaptation, Dramaturg | 1994 - 2008 | 19 | 2 |
| Maurstad, Mari | Mari Maurstad | Actor | 1985 - 2019 | 103 | 2 |
| Martinsen, Øystein | Øystein Martinsen | Actor | 2003 - 2016 | 5 | 2 |
| Mostraum, Tone | Tone Mostraum | Actor | 2004 - 2020 | 4 | 2 |
| Mønness, Ragnhild Arnestad | Ragnhild Arnestad Mønness | Actor | 2009 - 2017 | 6 | 2 |
| Myrberg, Per | Per Myrberg | Actor | 1984 - 2013 | 6 | 2 |
| Mignon, Eloise | Eloise Mignon | Actor | 2011 - 2016 | 7 | 2 |
| Michalopoulou, Loukia | Loukia Michalopoulou | Actor | 2010 | 2 | 2 |
| Mukhopadhyay, Senjuti | Senjuti Mukhopadhyay | Actor | 2006 - 2010 | 14 | 2 |
| Mount, George | George Mount | Actor | 2013 | 1 | 2 |
| McCoy, Jody | Jody McCoy | Actor | 2013 | 1 | 2 |
| Maltar, Zlatko | Zlatko Maltar | Actor | 2013 - 2016 | 4 | 2 |
| Maschek, Siegfried | Siegfried Maschek | Actor | 1987 - 2016 | 4 | 2 |
| Myhr, Lasse | Lasse Myhr | Actor | 2012 | 1 | 2 |
| Mertl, Stephan | Stephan Mertl | Actor | 1997 - 2009 | 4 | 2 |
| Meskendahl, Oliver | Oliver Meskendahl | Actor | 1995 - 2014 | 7 | 2 |
| Müller-Beck, Klaus | Klaus Müller-Beck | Actor | 2002 - 2007 | 4 | 2 |
| Martin, David | David Martin | Actor | 1963 - 2014 | 19 | 2 |
| Martin, Thomas | Thomas Martin | Actor | 2003 - 2011 | 3 | 2 |
| Mägi, Laine | Laine Mägi | Actor | 2003 - 2022 | 2 | 2 |
| Müller, Agnes | Agnes Müller | Actor | 2001 - 2008 | 4 | 2 |
| Mohylová, Andrea | Andrea Mohylová | Actor | 2008 | 1 | 2 |
| Moore, Terry Edward | Terry Edward Moore | Actor | 2005 | 1 | 2 |
| Mikitišin-Gačić, Sanja | Sanja Mikitišin-Gačić | Actor | 2005 | 1 | 2 |
| Maggiolo, Gabriela | Gabriela Maggiolo | Actor | 2006 | 2 | 2 |
| Müller-Morungen, Florian | Florian Müller-Morungen | Actor | 2006 - 2011 | 2 | 2 |
| Mücke, Friedrich | Friedrich Mücke | Actor | 2008 - 2010 | 7 | 2 |
| Makarova-Vasil'čenko, Svetlana | Svetlana Makarova-Vasil'čenko | Actor | 2008 | 1 | 2 |
| Malmberg, Karl | Karl Malmberg | Actor | 2010 - 2011 | 2 | 2 |
| McCleskey, Ruth, S. | Ruth S. McCleskey | Actor | 2012 | 1 | 2 |
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