| Markham, David | David Markham | Actor | 1945 - 1961 | 4 | 1 |
| Munna, Kazi Fazleh Elahi | Kazi Fazleh Elahi Munna | Actor | 2000 - 2001 | 4 | |
| Marić, Divna | Divna Marić | Actor | 2000 | 4 | |
| Mihaiu, Horaţiu | Horaţiu Mihaiu | Designer, Director | 2016 | 4 | |
| Méndez Herrera, José | José Méndez Herrera | Translator | 1971 - 1978 | 4 | |
| Municchi, Andrea | Andrea Municchi | Actor | 1977 | 4 | |
| McKeating, Cealach | Cealach McKeating | Assistant Director | 2017 | 4 | |
| Mårtensson, Klara | Klara Mårtensson | Actor | 2017 - 2020 | 4 | |
| Michaïlidis, Giorgos | Giorgos Michaïlidis | Composer, Director | 1984 - 1985 | 4 | |
| Muscan, Gr. | Gr. Muscan | Actor | 1920 - 1923 | 4 | |
| Miklósy, Margit | Margit Miklósy | Actor | 1925 - 1933 | 4 | |
| Marković, Dimitrije | Dimitrije Marković | Actor | 1897 - 1907 | 4 | |
| Mehmedbašić, Zeina | Zeina Mehmedbašić | Translator | 1983 - 2011 | 4 | 1 |
| Martín, María | María Martín | Actor, Adaptation | 1971 - 1972 | 4 | |
| Marlot, Harald | Harald Marlot | Actor, Lighting Designer | 2014 - 2015 | 4 | |
| Mae, Amy | Amy Mae | Lighting Designer | 2022 | 4 | |
| Moukarzel, Ziad | Ziad Moukarzel | Musical Director | 2023 | 4 | |
| Macmillan, Duncan | Duncan Macmillan | Adaptation | 2023 | 4 | |
| Morita, Gô | Gô Morita (森田剛) | Actor | 2023 | 4 | |
| Miura, Touko | Touko Miura (三浦透子) | Actor | 2023 | 4 | |
| Munkeby, Jørgen | Jørgen Munkeby | Composer | 2006 - 2011 | 5 | 1 |
| Moritzen, Henning | Henning Moritzen | Actor | 1957 - 2000 | 5 | 1 |
| Manning, Helen | Helen Manning | Actor | 1955 - 1997 | 5 | |
| Mannheim, Lucie | Lucie Mannheim | Actor, Producer | 1928 - 1948 | 5 | 2 |
| Malan, Jacques | Jacques Malan | Actor, Choreographer | 1994 - 2003 | 5 | |
| Manthey, Simone | Simone Manthey | Designer | 1998 - 2016 | 5 | 1 |
| Marcks, Albrecht | Albrecht Marcks | Director | 1876 - 1890 | 5 | |
| Marton, László | László Marton | Director | 2001 - 2005 | 5 | 1 |
| Martynowicz, Henryk | Henryk Martynowicz | Actor | 1907 - 1913 | 5 | |
| Matschoss, Ulrich | Ulrich Matschoss | Actor | 1964 - 1980 | 5 | |
| McAllister, Peter | Peter McAllister | Director | 2004 | 5 | |
| Melsing, Svend | Svend Melsing | Actor | 1907 - 1942 | 5 | |
| Menzies, Robert | Robert Menzies | Actor | 1988 - 2017 | 5 | 1 |
| Meyn, Robert | Robert Meyn | Actor, Director | 1935 - 1952 | 5 | 1 |
| Mezey, Lajos | Lajos Mezey | Actor | 1947 - 1991 | 5 | |
| Michalatou, Maeri | Maeri Michalatou | Translator | 2006 - 2012 | 5 | 1 |
| Mikkelsen, Johannes | Johannes Mikkelsen | Costume Designer | 2001 - 2004 | 5 | |
| McCormick, F.J. | F. J. McCormick | Actor | 1923 - 1929 | 5 | 1 |
| Meyer, - | - Meyer | Actor | 1877 - 1901 | 5 | |
| Miller, Henry | Henry Miller | Director | 1906 - 1907 | 5 | 1 |
| Meriste, Triinu | Triinu Meriste | Actor | 2007 - 2008 | 5 | |
| Müller, Rolf | Rolf Müller | Actor | 1918 - 1943 | 5 | |
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