| Mentink, Laura | Laura Mentink | Actor | 2012 | 19 | |
| Martin, Janis | Janis Martin (Janis Martin) | Costume Designer | 2000 - 2011 | 20 | 2 |
| Marx, Paul | Paul Marx (Paul Marx) | Actor | 1905 - 1933 | 20 | |
| Mazzocchetti, Germano | Germano Mazzocchetti (Germano Mazzocchetti) | Composer | 1993 - 2013 | 20 | |
| Monnard, Heinz | Heinz Monnard (Heinz Monnard) | Actor | 1897 - 1912 | 20 | |
| Mizuno, Yu | Yu Mizuno (Yu Mizuno) | Actor | 2004 - 2013 | 20 | |
| Meyer, Henry | Henry Meyer (Henry Meyer) | Actor | 1988 - 2016 | 20 | 2 |
| MacLiammóir, Micheál | Micheál MacLiammóir | Actor, Costume Designer, Designer | 1928 - 1955 | 20 | |
| Martin, Bill | Bill Martin | Adaptation, Director | 2005 - 2007 | 20 | |
| Müller, Anne | Anne Müller | Actor | 2009 - 2010 | 20 | |
| Meineck, P. W. | P. W. Meineck | Adaptation | 2009 - 2010 | 20 | |
| Motz, Uta | Uta Motz | Actor, Musician | 2013 - 2014 | 20 | |
| Mbikulu, Destinée | Destinée Mbikulu | Actor | 2018 - 2021 | 20 | |
| Mettetal, Thierry | Thierry Mettetal | Actor | 2018 - 2021 | 20 | |
| Moguiba, Marius | Marius Moguiba | Actor | 2018 - 2021 | 20 | |
| McKoy, Butch | Butch McKoy | Composer | 2018 - 2021 | 20 | |
| Meyer-Esquerré, Antonin | Antonin Meyer-Esquerré | Actor | 2016 - 2020 | 20 | |
| Mazzanti, Ettore | Ettore Mazzanti (Ettore Mazzanti) | Actor | 1891 - 1907 | 21 | |
| Murgescu, Florin | Florin Murgescu (Florin Murgescu) | Translator | 1966 - 2016 | 21 | |
| Manning, Dr. Philipp | Philipp Manning (Dr. Philipp Manning) | Actor, Director | 1898 - 1937 | 21 | |
| Mazzini, Annunziata | Annunziata Mazzini (Annunziata Mazzini) | Actor | 1903 - 1908 | 21 | |
| Miliadou, Anthi | Anthi Miliadou (Anthi Miliadou) | Actor | 1910 - 1948 | 21 | |
| Mordal, Anders | Anders Mordal (Anders Mordal) | Actor | 1998 - 2020 | 21 | 5 |
| Mulrine, Stephen | Stephen Mulrine | Adaptation, Translator | 2002 - 2008 | 21 | |
| Márkus, Emília | Emília Márkus | Actor | 1889 - 1927 | 22 | |
| Msuku, Bennie | Bennie Msuku (Bennie Msuku) | Actor | 2006 | 22 | |
| Marinelli, Roberto | Roberto Marinelli | Actor | 2008 | 22 | |
| Moss, Raphaël-Aaron | Raphaël-Aaron Moss | Lighting Designer, Sound Designer | 2009 | 22 | |
| Maselli, Titina | Titina Maselli | Costume Designer, Designer | 1999 - 2000 | 22 | |
| Martínez Sierra, María | María Martínez Sierra | Adaptation, Translator | 1917 - 1930 | 22 | |
| Matiki, Mafumu | Mafumu Matiki (Mafumu Matiki) | Actor | 2006 | 23 | |
| Mbewe, Mbumba | Mbumba Mbewe (Mbumba Mbewe) | Actor | 2006 | 23 | 1 |
| Moss, Sam | Sam Moss (Sam Moss) | Choreographer | 2006 | 23 | |
| Mtalika, Henry | Henry Mtalika (Henry Mtalika) | Actor | 2006 | 23 | |
| Mtambo, Watupa | Watupa Mtambo (Watupa Mtambo) | Actor | 2006 | 23 | |
| Müller, Alwine | Alwine Müller (Alwine Müller) | Actor | 1896 - 1922 | 23 | |
| Magnussøn, Sigurd | Sigurd Magnussøn (Sigurd Magnussøn) | Actor | 1902 - 2006 | 23 | |
| Milenkov, Aleksandar | Aleksandar Milenkov (Aleksandar Milenkov) | Costume Designer, Designer | 1907 - 1939 | 23 | |
| Mathesius, Bohumil | Bohumil Mathesius | Adaptation, Translator | 1941 - 2007 | 23 | |
| Moren Vesaas, Halldis | Halldis Moren Vesaas | Translator | 1987 | 23 | |
| Macco, Kyra | Kyra Macco | Actor | 2000 | 23 | |
| Montanus, Christiaan | Christiaan Montanus | Actor | 2000 | 23 | |
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