| McNamara, Eileen, | Eileen McNamara | Actor | 1994 | 1 | |
| MacDevitt, Brian, | Brian MacDevitt | Lighting Designer | 1993 | 1 | |
| Merz, ?, | ? Merz | Actor | 1918 - 1919 | 2 | |
| Mumford, Peter | Peter Mumford | Designer, Lighting Designer | 1996 - 2016 | 18 | |
| 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 | 2 | |
| Michajlov, K. | K. Michajlov | Actor | 1959 | 1 | |
| Moodie, Tanya, | Tanya Moodie | Actor | 1994 - 2005 | 7 | |
| 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 | |
| Molaee, Reza | Reza Molaee | Actor | 2006 - 2010 | 3 | |
| Mills, Margaret | Margaret Mills | Actor | 1998 | 1 | |
| Madden, Will | Will Madden | Actor | 2003 | 1 | |
| Malcolm, Grant | Grant Malcolm | Director | 2000 | 1 | |
| Morgan, Jackie | Jackie Morgan | Lighting Designer | 1984 | 1 | |
| Mitchell, Gregg | Gregg Mitchell | Designer | 1984 | 1 | |
| Mason, Paul | Paul Mason | Actor | 1986 | 1 | |
| Milner, Johnny | Johnny Milner | Composer | 2007 | 1 | |
| McLean, Carrie | Carrie McLean | Actor | 2000 | 1 | |
| Moen, Ingvald | Ingvald Moen | Actor | 1974 | 10 | |
| Modes, Theo, | Theo Modes | Actor, Designer, Director | 1915 - 1924 | 11 | |
| Montenegro, Ira | Ira Montenegro | Lighting Designer | 1988 - 1989 | 4 | |
| Melander, Nils | Nils Melander | Actor | 2001 | 4 | |
| Mestrez, Hubert, | Hubert Mestrez | Actor | 1975 - 1977 | 10 | |
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