| Macaria, Ana-Ioana | Ana-Ioana Macaria | Actor | 2004 - 2013 | 7 | |
| Maxwell, James | James Maxwell | Actor | 1959 - 1963 | 7 | 1 |
| Mehlhorn, Thomas | Thomas Mehlhorn | Actor | 2007 - 2011 | 7 | |
| Moritz, Kai Christian | Kai Christian Moritz | Actor | 2006 - 2013 | 7 | 1 |
| Morgan, Aaron | Aaron Morgan | Actor, Adaptation, Costume Designer, Designer, Director | 2009 - 2013 | 7 | |
| Mücke, Friedrich | Friedrich Mücke | Actor | 2008 - 2010 | 7 | 2 |
| Mybrand, Jan | Jan Mybrand | Actor | 2010 - 2017 | 7 | 3 |
| Mäder, Joachim | Joachim Mäder | Actor | 2008 | 7 | |
| Marianes, Eliana | Eliana Marianes | Actor | 2009 | 7 | |
| Münch, Erich | Erich Münch | Actor | 2010 | 7 | |
| Markuslund, Keld | Keld Markuslund | Actor | 1944 - 2003 | 7 | |
| Malin, Sarah | Sarah Malin | Actor | 2013 | 7 | |
| Milewski, Jurek | Jurek Milewski | Actor | 2013 | 7 | |
| Marber, Patrick Albert Crispin | Patrick Albert Crispin Marber | Adaptation, Translator | 2016 - 2023 | 7 | 1 |
| Meyer, Frieda | Frieda Meyer | Actor | 1898 - 1922 | 7 | |
| Marchidan, Ioana | Ioana Marchidan | Choreographer | 2015 - 2024 | 7 | |
| Mjølner, Alf | Alf Mjølner | Actor | 1948 - 1949 | 7 | |
| Michaïlidis, Andreas | Andreas Michaïlidis | Actor | 1973 | 7 | |
| Meads, Frederick | Frederick Meads | Actor | 1910 - 1912 | 7 | |
| Miltner-Schönau, Rudolf | Rudolf Miltner-Schönau | Actor | 1911 - 1912 | 7 | |
| Maier-Peveling, Georg | Georg Maier-Peveling | Costume Designer | 2021 | 7 | |
| Mundet, Agustín | Agustín Mundet | Translator | 1918 - 1925 | 7 | |
| Maehler, Tobias | Tobias Maehler | Director | 2023 | 7 | |
| Maehler, Sandra | Sandra Maehler | Producer | 2023 | 7 | |
| Maria, Lucia | Lucia Maria | Actor | 2007 - 2008 | 6 | 1 |
| Mark, Jan | Jan Mark | Adaptation, Dramaturg | 2002 - 2005 | 6 | |
| McArthur, Molly | Molly McArthur | Actor, Costume Designer, Designer | 1925 - 1946 | 6 | |
| McArthur, Murray | Murray McArthur | Actor | 1996 - 1998 | 6 | |
| McCarthy, Helena | Helena McCarthy | Actor | 1994 | 6 | |
| Melander, Björn | Björn Melander | Adaptation, Director | 1999 - 2008 | 6 | 1 |
| Melichar, Rudolf | Rudolf Melichar | Actor | 1957 - 2010 | 6 | |
| Meyer, Jean | Jean Meyer | Actor, Adaptation, Director | 1976 - 1984 | 6 | |
| Murakami, Miyuki | Miyuki Murakami | Lighting Designer | 2007 - 2009 | 6 | |
| Murrell, John | John Murrell | Adaptation, Translator | 1983 - 2007 | 6 | 1 |
| Mezzera, Franco | Franco Mezzera | Actor | 1972 - 1974 | 6 | |
| Maché, Katinka | Katinka Maché | Actor | 2010 | 6 | 1 |
| McKinven, Neil | Neil McKinven | Actor | 2010 - 2021 | 6 | 2 |
| McLaren, Robert | Robert McLaren | Director, Lighting Designer | 2006 - 2010 | 6 | |
| Mallet, Miki | Miki Mallet | Actor | 2010 | 6 | |
| Mosleh, Fatma | Fatma Mosleh | Actor | 2009 - 2010 | 6 | |
| Müller-Rudolph, Minna | Minna Müller-Rudolph | Actor | 1891 - 1914 | 6 | |
| Møller, Frk. | Frk. Møller | Actor | 1871 | 6 | |
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