| Michaelsen, Hilda , Johanne | Hilda Johanne Michaelsen | Actor | 1978 | 1 | |
| Michaelsen, Maria, Louise | Maria Louise Michaelsen | Actor | 1978 | 1 | |
| Michaelsen, Ingrid Elise | Ingrid Elise Michaelsen | Director | 1978 | 1 | |
| Maraden, Marti | Marti Maraden | Actor, Director | 1973 – 2001 | 3 | |
| Molander, Olof | Olof Molander | Adaptation, Director, Translator | 1921 | 5 | |
| Malmsjö, Jan | Jan Malmsjö | Actor | 1972 – 2006 | 12 | |
| Moberg, Sofia | Sofia Moberg | Actor | 2006 | 2 | |
| Moberg, Ellen | Ellen Moberg | Actor | 2006 | 2 | |
| Mkrtsjan, Arsen | Arsen Mkrtsjan | Actor | 1991 | 2 | |
| Mkrtsjan, Sergej | Sergej Mkrtsjan | Actor | 1991 | 2 | |
| Marutjan, Armen | Armen Marutjan | Actor | 1991 | 2 | |
| Min, Tian | Tian Min | Actor | 1996 | 2 | |
| Mörk, Lennart | Lennart Mörk | Costume Designer, Designer | 1991 – 1993 | 9 | |
| Molinder, Herdis | Herdis Molinder | Actor | 1998 | 2 | |
| Márkos, Albert | Albert Márkos | Composer | 2007 – 2011 | 6 | |
| Máté, Gábor | Gábor Máté | Actor | 2002 – 2011 | 8 | |
| Morvay, Imre | Imre Morvay | Actor | 2007 – 2011 | 6 | |
| Mynster, Karen-Lise | Karen-Lise Mynster | Actor, Director | 1990 – 2000 | 3 | |
| Mannov, Eva | Eva Mannov | Actor | 2000 | 2 | |
| Müller, Andreas | Andreas Müller | Actor, Mask Maker | 1984 – 2011 | 8 | |
| Myers, Ralph | Ralph Myers | Designer | 2011 – 2016 | 7 | |
| Malmsjö, Jonas | Jonas Malmsjö | Actor | 2001 – 2015 | 11 | |
| Munch, Karine | Karine Munch | Actor | 1995 – 1996 | 4 | |
| Malmström, Kent | Kent Malmström | Actor | 1970 – 1996 | 5 | |
| Mahoney, Patrick | Patrick Mahoney | Dancer | 1990 | 2 | |
| Maurstad, Peder | Peder Maurstad | Actor | 1971 | 5 | |
| Michelsen, Ragnhild | Ragnhild Michelsen | Actor | 1942 – 1960 | 28 | |
| Mouchtar-Samorai, David | David Mouchtar-Samorai | Adaptation, Director | 1990 – 2009 | 6 | |
| Mauranen, Kaisa | Kaisa Mauranen | Costume Designer | 1995 | 2 | |
| Maijala, Marjaana | Marjaana Maijala | Actor | 1995 | 2 | |
| Mäkinen, Minna | Minna Mäkinen | Actor | 1995 | 2 | |
| Minoungou, Etienne | Etienne Minoungou | Actor | 1992 | 1 | |
| Mande, Hamadou | Hamadou Mande | Actor | 1992 | 2 | |
| Marcante, Mark | Mark Marcante | Designer | 1998 | 2 | |
| Melton, Heather | Heather Melton | Actor | 1998 | 2 | |
| Ma, Mary | Mary Ma | Costume Designer | 2006 – 2010 | 8 | |
| Murad, Samir | Samir Murad | Actor | 2004 – 2006 | 10 | |
| Marins, Carla | Carla Marins | Actor | 2004 – 2006 | 10 | |
| Maščenko, V. | V. Maščenko | Actor | 1996 | 1 | |
| Molotov, V. | V. Molotov | Actor | 1996 | 1 | |
| Milošević, Mata | Mata Milošević | Actor, Director | 1935 – 1977 | 2 | |
| Mielnikow, Maria | Maria Mielnikow | Actor | 1992 | 2 | |
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