| Massini, Fabrizio | Fabrizio Massini | Producer | 2014 - 2019 | 9 | |
| Maas, Kimberly | Kimberly Maas | Actor | 2009 | 9 | |
| Minichmayr, Birgit | Birgit Minichmayr | Actor | 2012 - 2017 | 9 | 6 |
| 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 | |
| Manegold, Barbara | Barbara Manegold | Choreographer | 2002 | 8 | |
| Maranzana, Mario | Mario Maranzana | Actor, Director | 1974 - 1998 | 8 | |
| Markham, Petra | Petra Markham | Actor | 2004 - 2016 | 8 | |
| Martin, Harald | Harald Martin | Designer | 1954 - 1973 | 8 | 1 |
| Matthias, Marina | Marina Matthias | Actor | 1997 - 2006 | 8 | 1 |
| Meyer, René-Philippe | René-Philippe Meyer | Actor | 2008 - 2011 | 8 | 3 |
| Mitchell, Robert | Robert Mitchell | Actor, Designer, Director | 1927 - 1951 | 8 | |
| Modzelewska, Józefa | Józefa Modzelewska | Actor | 1891 - 1920 | 8 | |
| Müller, Lotte | Lotte Müller | Actor | 1907 - 1921 | 8 | |
| Myrann Sørbøe, Ilene | Ilene Myrann Sørbøe | Actor, Director, Dramaturg | 1999 - 2023 | 8 | |
| Magnussen, Arne Chr. | Arne Chr. Magnussen | Actor | 1951 | 8 | 1 |
| Mack, William B. | William B. Mack | Actor | 1903 - 1907 | 8 | 1 |
| Müller, Maximilian | Maximilian Müller | Composer | 2010 - 2011 | 8 | |
| Magnus, Thomas | Thomas Magnus | Actor | 2011 | 8 | |
| Moritzon, Mr. | Mr. Moritzon | Actor | 1870 - 1871 | 8 | |
| Mošna, Jindřich | Jindřich Mošna | Actor | 1891 - 1907 | 8 | |
| Mühlhofer, Hans | Hans Mühlhofer | Actor | 1898 - 1926 | 8 | |
| Maltana, Elsa | Elsa Maltana | Actor | 1898 - 1913 | 8 | |
| Mayer, Hans | Hans Mayer | Actor | 1900 - 1902 | 8 | |
| Mehlhorn, Bernhard | Bernhard Mehlhorn | Actor | 1908 - 1922 | 8 | |
| Mannstädt, Otto | Otto Mannstädt | Actor | 1914 - 1927 | 8 | |
| Martin, Karl-Heinz | Karl-Heinz Martin | Adaptation, Designer, Director | 1914 - 1941 | 8 | |
| Milbradt, Paul | Paul Milbradt | Actor | 1916 - 1932 | 8 | |
| Mellish, Fuller | Fuller Mellish | Actor | 1907 - 1910 | 8 | 1 |
| Moen, Mari | Mari Moen | Adaptation, Dramaturg | 2008 - 2010 | 8 | |
| Mārsietis, Jānis | Jānis Mārsietis | Actor | 1918 - 1939 | 8 | |
| Milton, Ernest | Ernest Milton | Actor, Director | 1925 - 1930 | 8 | 1 |
| Mezzanotte, A. | A. Mezzanotte | Actor | 1892 - 1894 | 8 | |
| Mugnaini, A. | A. Mugnaini | Actor | 1892 - 1894 | 8 | |
| Møystad, Ole | Ole Møystad | Actor | 1978 | 8 | |
| Máté, Gábor | Gábor Máté | Actor | 2002 - 2014 | 8 | 1 |
| Müller, Andreas | Andreas Müller | Actor, Mask Maker | 1984 - 2011 | 8 | |
| Ma, Mary | Mary Ma | Costume Designer | 2006 - 2010 | 8 | |
| Moskovljević, Olga | Olga Moskovljević | Translator | 1967 - 2013 | 8 | 1 |
| Marion, Marianne | Marianne Marion | Actor | 1901 - 1902 | 8 | |
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