| Mussagy, Omar | Omar Mussagy | | | | |
| Madeja, Tadeusz | Tadeusz Madeja | Actor | 1989 | 1 | |
| Murzyńska-Głybin, Bogumiła | Bogumiła Murzyńska-Głybin | Actor | 1989 | 1 | |
| Mitka, Jan | Jan Mitka | Actor | 1978 | 1 | |
| Min, Zhang | Zhang Min | Director | 1935 | 2 | |
| Miller, Chanel | Chanel Miller | Actor | 2007 | 1 | |
| Moor, Louis B. J. | Louis B. J. Moor | Actor, Director | 1880 - 1891 | 4 | |
| McDonnell, P.J. | P. J. McDonnell (P.J. McDonnell) | Actor | 1923 | 2 | |
| Marr, Hans | Hans Marr | Actor, Director | 1904 - 1938 | 101 | |
| McNulty, Finnuala | Finnuala McNulty | Lighting Designer | 2001 - 2008 | 14 | |
| Mützel-Schumann, Reinhard | Reinhard Mützel-Schumann | Lighting Designer | 2001 | 1 | |
| MacLeod, Charles R. | Charles R. MacLeod | Lighting Designer | 2005 | 1 | |
| Mitchell, Charlotte | Charlotte Mitchell | Actor | 1981 - 1982 | 3 | |
| Meriste, Triinu | Triinu Meriste | Actor | 2007 - 2008 | 5 | |
| Mills, Simon | Simon Mills | Lighting Designer | 1994 | 1 | |
| Mota, Daniela | Daniela Mota | Actor | 2004 | 1 | |
| McNamara, Eileen | Eileen McNamara | Actor | 1994 | 1 | |
| MacDevitt, Brian | Brian MacDevitt | Lighting Designer | 1993 | 1 | |
| Merz, ? | ? Merz | Actor | 1918 - 1919 | 2 | |
| Moose, Rebekah | Rebekah Moose | Actor | 1932 | 1 | |
| Murray, Bridget | Bridget Murray | Actor | 2002 | 1 | |
| Morris, Dean | Dean Morris | Lighting Designer | 1991 | 1 | |
| McLay, Fiona | Fiona McLay | Actor | 1984 | 1 | |
| Montevecchi, Ferdinando | Ferdinando Montevecchi | Lighting Designer | 2005 | 1 | |
| McMahon, Richie | Richie McMahon | Actor | 2006 | 1 | |
| Matsuda, Takashi | Takashi Matsuda | Designer | 1958 | 1 | |
| Motoyasu, Yutaka | Yutaka Motoyasu | Actor | 1914 | 1 | |
| Maceiras, Flor | Flor Maceiras | Actor | 1995 | 1 | |
| Maddock, Margaret | Margaret Maddock | Actor | 1993 | 1 | |
| Martin, Mary E. | Mary E. Martin | Actor | 1933 | 1 | |
| Massaro, Mitch | Mitch Massaro | Lighting Designer | 2004 | 1 | |
| Malherbe, - | - Malherbe | Actor | 1913 | 1 | |
| Mizutani, Yaeko | Yaeko Mizutani | Actor | 1921 - 1924 | 3 | |
| Matsui, Yoko | Yoko Matsui | Actor | 1924 | 1 | |
| Murakami, Yuji | Yuji Murakami | Dramaturg, Sound Designer | 2006 - 2008 | 3 | |
| Michajlov, K. | K. Michajlov | Actor | 1959 | 1 | |
| McCaul, Ruth Rayyah | Ruth Rayyah McCaul | Actor | 2005 | 1 | |
| Munroe, John | John Munroe | Lighting Designer | 1981 - 2004 | 2 | |
| Miraisha, - | - Miraisha | Designer | 1990 | 1 | |
| Moos, Karl Heinz | Karl Heinz Moos | Dramaturg | 1975 | 1 | |
| Mullin, Bronwen | Bronwen Mullin | Composer | 2011 | 1 | |
| Marx, Emil | Emil Marx | Actor, Director | 1898 | 3 | |
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