| Moser, Josef | Josef Moser | Actor | 1890 - 1919 | 9 | |
| Mitterwurzer, Wilhelmine | Wilhelmine Mitterwurzer | Actor | 1894 - 1899 | 9 | |
| Malmgren, Jenny | Jenny Malmgren | Actor | 1895 | 9 | |
| Marikou, Amalia | Amalia Marikou | Actor | 1897 - 1916 | 9 | |
| Moskvin, Ivan | Ivan Moskvin | Actor | 1899 - 1924 | 9 | |
| Munch, Edvard | Edvard Munch | Designer | 1906 - 1966 | 9 | 1 |
| Muratori, Georg | Georg Muratori | Actor | 1909 - 1920 | 9 | |
| Monnard, Lina | Lina Monnard | Actor | 1905 - 1912 | 9 | |
| Morandi, Jvan | Jvan Morandi | Lighting Designer | 2006 | 9 | |
| Mountford, Rober | Rober Mountford | Actor | 2006 | 9 | |
| Medicus, Jürg | Jürg Medicus | Actor | 1943 - 1950 | 9 | |
| Methling, Svend | Svend Methling | Actor, Adaptation, Designer, Director | 1921 - 1964 | 9 | |
| Maczonkai, József | József Maczonkai | Actor | 1927 - 1928 | 9 | |
| Mikkelsen, Magnar | Magnar Mikkelsen | Adaptation | 1975 - 1976 | 9 | |
| Mörk, Lennart | Lennart Mörk | Costume Designer, Designer | 1991 - 1998 | 9 | |
| Membrives, Lola | Lola Membrives | Actor | 1928 - 1929 | 9 | |
| Morger, Melchior | Melchior Morger | Actor | 1975 - 1983 | 9 | |
| Michailidis, Kostis | Kostis Michailidis | Director | 1946 - 1980 | 9 | |
| Mago, - | - Mago (Max Goldstein) | Costume Designer, Designer | 1964 - 1979 | 9 | |
| Meter, Jeremy, van | Jeremy van Meter | Actor | 2012 - 2014 | 9 | |
| Müller, Heinz | Heinz Müller | Actor | 1981 - 2005 | 9 | |
| McRobbie, Peter | Peter McRobbie | Actor | 1966 - 1992 | 9 | |
| Mantzaris, Christos | Christos Mantzaris | Actor | 1985 | 9 | |
| Myara, Charles | Charles Myara | Actor | 1988 - 1989 | 9 | |
| Müller, Bernd-Dieter | Bernd-Dieter Müller | Adaptation, Designer, Director | 1989 - 2003 | 9 | |
| Mushran, Ashwin | Ashwin Mushran | Actor | 2014 - 2018 | 9 | |
| Murtinho, Kalma | Kalma Murtinho | Costume Designer | 1966 - 1983 | 9 | |
| May, Alice | Alice May | Actor | 1891 | 9 | |
| Middleditch, Tom | Tom Middleditch | Actor | 2002 | 9 | |
| Mouhous, Hakim | Hakim Mouhous | Designer | 2004 - 2005 | 9 | |
| Missbach, Klaus | Klaus Missbach | Dramaturg | 2005 - 2017 | 9 | |
| Marrs, Bruce | Bruce Marrs | Mask Maker | 2005 - 2006 | 9 | |
| Monsaingeon, Grégoire | Grégoire Monsaingeon | Actor | 2007 | 9 | |
| Meininger, Laurent | Laurent Meininger | Actor | 2007 | 9 | |
| Massini, Fabrizio | Fabrizio Massini | Producer | 2014 - 2019 | 9 | |
| Maas, Kimberly | Kimberly Maas | Actor | 2009 | 9 | |
| Minichmayr, Birgit | Birgit Minichmayr | Actor | 2012 - 2017 | 9 | 5 |
| Martin, Serge | Serge Martin | Actor | 2013 - 2014 | 9 | |
| Mălău, Ioana | Ioana Mălău | Dramaturg | 2017 - 2019 | 9 | |
| Ménoret, Laurent | Laurent Ménoret | Actor | 2012 - 2015 | 9 | |
| Margarit, Jacint | Jacint Margarit | Assistant Director | 2013 - 2014 | 9 | |
| Maddern, Mary | Mary Maddern | Actor | 1902 - 1908 | 10 | |
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