| Michałowski, Janusz | Janusz Michałowski | Actor | 1994 | 2 | |
| Monaci, Maria Grazia | Maria Grazia Monaci | Actor | 1955 | 2 | |
| Mendizabal, Nelly, | Nelly Mendizabal | Actor | 1954 | 2 | |
| Martin, Thomas | Thomas Martin | Actor | 1953 | 2 | |
| Mercurio, Maria Giovanna, | Maria Giovanna Mercurio | Costume Designer | 1993 – 1994 | 2 | |
| Meløy, Marianne, | Marianne Meløy | Actor | 1994 – 2010 | 2 | 1 |
| Mosarov, Vladimir | Vladimir Mosarov | Director, Sound Designer | 2001 | 2 | |
| Moaleş, Elena | Elena Moaleş | Actor | 2006 | 2 | |
| Münch, Ursula | Ursula Münch | Actor | 1990 | 2 | |
| Melsert, W. v.d. Horst-van der Lugt, | Wilhelmina van der Horst-van der Lugt Melsert (W. v.d. Horst-van der Lugt Melsert) | Actor | 1911 | 2 | |
| Merin, Eda Reiss | Eda Reiss Merin | Actor | 1971 | 2 | |
| Macedonio, Francesco, | Francesco Macedonio | Director | 1974 | 2 | |
| McEntee, Frank, | Frank McEntee | Actor, Director | 1921 | 2 | |
| Montagnoli, Raffaele, | Raffaele Montagnoli | Actor | 1996 | 2 | |
| Marino, Gian Paolo, | Gian Paolo Marino | Actor | 1996 | 2 | |
| Matthiessen, Joam | Joan Matthiessen | Actor | 1989 | 2 | |
| Min, Zhang | Zhang Min | Director | 1935 | 2 | |
| McDonnell, P.J., | P. J. McDonnell (P.J. McDonnell) | Actor | 1923 | 2 | |
| Merz, ?, | ? Merz | Actor | 1918 – 1920 | 2 | |
| Murakami, Yuji | Yuji Murakami | Dramaturg, Sound Designer | 2006 – 2008 | 2 | |
| Munroe, John, | John Munroe | Lighting Designer | 1981 – 2004 | 2 | |
| Mayer, José | José Mayer | Actor | 1994 – 2002 | 2 | |
| Merő, Béla | Béla Merő | Director | 2005 | 2 | |
| Müller, Lolo, | Lolo Müller | Actor | 1896 – 1897 | 2 | |
| Moses, Carina | Carina Moses | Actor | 2009 – 2011 | 2 | |
| McKinven, Neil | Neil McKinven | Actor | 2010 | 2 | 2 |
| Mikkola, Juhani | Juhani Mikkola | Lighting Designer | 1981 | 2 | |
| Manto, Erja, | Erja Manto | Actor | 1992 – 1994 | 2 | |
| Matthíasson, Ari | Ari Matthíasson | Actor | 1993 | 2 | |
| Müller, Eva Verena | Eva Verena Müller | Actor | 2011 – 2012 | 2 | |
| Miller, Gordon | Gordon Miller | Actor | 2011 | 2 | |
| McIntosh, Duncan | Duncan McIntosh | Translator | 2011 | 2 | |
| McCluer, Carol | Carol McCluer | Actor | 2001 | 2 | |
| Melato, Mariangela | Mariangela Melato | Actor | 2011 | 2 | |
| Martinez, Derly | Derly Martinez | Lighting Designer, Sound Designer | 1945 | 2 | |
| Mahmood, Barez Majeed, | Barez Majeed Mahmood | Actor, Director | 2011 | 2 | |
| Main, Carolina | Carolina Main | Actor | 2010 – 2011 | 2 | |
| Merritt, Michael | Michael Merritt | Designer | 1973 – 1991 | 2 | |
| Micheel, Gerd, | Gerd Micheel | Actor | 1956 | 2 | |
| Mellies, Wolfgang | Wolfgang Mellies | Actor | 1956 | 2 | |
| Mellies, Eberhard | Eberhard Mellies | Director | 1956 | 2 | |
| Mauss, Brigitte | Brigitte Mauss | Costume Designer | 1956 | 2 | |
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