| Manz-Kozár, Andreas | Andreas Manz-Kozár | Actor | 2013 - 2015 | 2 | 1 |
| Metz, Stefan | Stefan Metz | Adaptation, Director | 2011 | 2 | 1 |
| McBay, Leslie | Leslie McBay | Actor | 2010 | 1 | 1 |
| McGrath, Joseph | Joseph McGrath | Actor, Designer | 2010 | 2 | 1 |
| Meier, Cynthia | Cynthia Meier | Actor, Costume Designer | 2010 | 2 | 1 |
| MacLean, Frazer | Frazer MacLean | Actor | 1964 | 1 | 1 |
| Mati, Sylvia | Sylvia Mati | Actor | 2011 | 1 | 1 |
| Macdonald, James | James Macdonald | Director | 2010 - 2011 | 2 | 1 |
| McNamara, Robert | Robert McNamara | Director | 2012 | 1 | 1 |
| Möst, Raphaela | Raphaela Möst | Actor | 2012 - 2017 | 6 | 1 |
| Maiorescu, Titu | Titu Maiorescu | Translator | 1895 - 1924 | 2 | 1 |
| Mehler, Christoph | Christoph Mehler | Director | 2013 - 2017 | 3 | 1 |
| Murschetz, Annette | Annette Murschetz | Designer | 2012 - 2014 | 3 | 1 |
| Møller, Bente Lykke | Bente Lykke Møller | Designer | 2013 | 1 | 1 |
| Mankell, Henning | Henning Mankell | Adaptation, Director, Playwright | 2008 - 2012 | 7 | 1 |
| Muno, Alexander | Alexander Muno | Adaptation, Composer | 2011 | 2 | 1 |
| Moreno, Luis | Luis Moreno | Actor | 2011 | 4 | 1 |
| McKinney, William, L. | William L. McKinney | Director | 1964 | 1 | 1 |
| Migdal, Nadia | Nadia Migdal | Actor | 2012 | 5 | 1 |
| McArdle, James | James McArdle | Actor | 2011 - 2019 | 3 | 1 |
| Morgan, William, R. | William R. Morgan | Director | 1964 | 1 | 1 |
| McNenny, Kathleen | Kathleen McNenny | Actor | 2012 | 1 | 1 |
| McManus, Patrick | Patrick McManus | Actor | 2012 | 1 | 1 |
| McCarthy, Michael | Michael McCarthy | Composer, Dramaturg | 2012 - 2020 | 3 | 1 |
| Manninen, Mauno | Mauno Manninen | Designer, Director | 1951 - 1962 | 4 | 1 |
| Machens, Franziska | Franziska Machens | Actor | 2012 - 2014 | 2 | 1 |
| Miller, Mary | Mary Miller | Actor | 1962 | 2 | 1 |
| Malmsten, Birger | Birger Malmsten | Actor | 1961 | 1 | 1 |
| Marti, Nina | Nina Marti | Actor | 2012 | 1 | 1 |
| MacGrath, Leueen | Leueen MacGrath | Actor | 1961 | 1 | 1 |
| Marino, Joseph | Joseph Marino | Actor | 1961 | 1 | 1 |
| McQuade, John | John McQuade | Actor | 1961 | 1 | 1 |
| Melnikova, Darya | Darya Melnikova | Actor | 2012 | 1 | 1 |
| Mjøen, Fridtjof | Fridtjof Mjøen | Actor | 1945 - 1960 | 5 | 1 |
| March, Lori | Lori March | Actor | 1960 | 1 | 1 |
| Møller, Christen | Christen Møller | Actor, Adaptation, Director | 1934 - 1964 | 4 | 1 |
| Miranda, Lucía | Lucía Miranda | Adaptation, Director | 2015 - 2017 | 28 | 1 |
| Moniri, Nina | Nina Moniri | Actor | 2013 | 1 | 1 |
| Manten, Martine | Martine Manten | Adaptation, Dramaturg | 2012 - 2013 | 58 | 1 |
| Marian, B. | B. Marian | Translator | 1901 | 2 | 1 |
| March, Rosalind | Rosalind March | Actor | 1977 - 2013 | 2 | 1 |
| Moore, Max, Gordon | Max Gordon Moore | Actor | 2013 | 1 | 1 |
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