| Mallen, Tara | Tara Mallen (Tara Mallen) | Actor | 1987 | 1 | |
| Mallon, Brian | Brian Mallon (Brian Mallon) | Actor | 1989 | 1 | |
| Matthiessen, Joam | Joan Matthiessen | Actor | 1989 | 2 | |
| Müller, Marg | Marg Müller (Marg Müller) | Actor | 1894 | 1 | |
| McMahon, James B. | James B. McMahon (James B. McMahon) | Actor | 1956 | 1 | |
| Murzaeva, I. | I. Murzaeva (I. Murzaeva) | Actor | 1939 | 1 | |
| Malović, Jovana | Jovana Malović (Jovana Malović) | Actor | 2000 - 2001 | 3 | |
| Madeja, Tadeusz | Tadeusz Madeja (Tadeusz Madeja) | Actor | 1989 | 1 | |
| Murzyńska-Głybin, Bogumiła | Bogumiła Murzyńska-Głybin (Bogumiła Murzyńska-Głybin) | Actor | 1989 | 1 | |
| Mitka, Jan | Jan Mitka (Jan Mitka) | Actor | 1978 | 1 | |
| Miller, Chanel | Chanel Miller (Chanel Miller) | Actor | 2007 | 1 | |
| McDonnell, P.J. | P. J. McDonnell (P.J. McDonnell) | Actor | 1923 | 2 | |
| Mitchell, Charlotte | Charlotte Mitchell (Charlotte Mitchell) | Actor | 1981 - 1982 | 3 | |
| Meriste, Triinu | Triinu Meriste (Triinu Meriste) | Actor | 2007 - 2008 | 5 | |
| Mota, Daniela | Daniela Mota (Daniela Mota) | Actor | 2004 | 1 | |
| McNamara, Eileen | Eileen McNamara (Eileen McNamara) | Actor | 1994 | 1 | |
| Merz, ? | ? Merz (? Merz) | Actor | 1918 - 1919 | 2 | |
| Moose, Rebekah | Rebekah Moose (Rebekah Moose) | Actor | 1932 | 1 | |
| Murray, Bridget | Bridget Murray (Bridget Murray) | Actor | 2002 | 1 | |
| McLay, Fiona | Fiona McLay (Fiona McLay) | Actor | 1984 | 1 | |
| McMahon, Richie | Richie McMahon (Richie McMahon) | Actor | 2006 | 1 | |
| Motoyasu, Yutaka | Yutaka Motoyasu (Yutaka Motoyasu) | Actor | 1914 | 1 | |
| Maceiras, Flor | Flor Maceiras (Flor Maceiras) | Actor | 1995 | 1 | |
| Maddock, Margaret | Margaret Maddock (Margaret Maddock) | Actor | 1993 | 1 | |
| Martin, Mary E. | Mary E. Martin (Mary E. Martin) | Actor | 1933 | 1 | |
| Malherbe, - | - Malherbe (- Malherbe) | Actor | 1913 | 1 | |
| Mizutani, Yaeko | Yaeko Mizutani (Yaeko Mizutani) | Actor | 1921 - 1924 | 3 | |
| Matsui, Yoko | Yoko Matsui (Yoko Matsui) | Actor | 1924 | 1 | |
| Michajlov, K. | K. Michajlov (K. Michajlov) | Actor | 1959 | 1 | |
| Moodie, Tanya | Tanya Moodie (Tanya Moodie) | Actor | 1994 - 2005 | 7 | |
| McCaul, Ruth Rayyah | Ruth Rayyah McCaul (Ruth Rayyah McCaul) | Actor | 2005 | 1 | |
| Meyer, Henry | Henry Meyer (Henry Meyer) | Actor | 1988 - 2016 | 20 | 2 |
| Molaee, Reza | Reza Molaee (Reza Molaee) | Actor | 2006 - 2010 | 3 | |
| Mills, Margaret | Margaret Mills (Margaret Mills) | Actor | 1998 | 1 | |
| Madden, Will | Will Madden (Will Madden) | Actor | 2003 | 1 | |
| Mason, Paul | Paul Mason (Paul Mason) | Actor | 1986 | 1 | |
| McLean, Carrie | Carrie McLean (Carrie McLean) | Actor | 2000 | 1 | |
| Moen, Ingvald | Ingvald Moen (Ingvald Moen) | Actor | 1974 | 10 | |
| Melander, Nils | Nils Melander (Nils Melander) | Actor | 2001 | 4 | |
| Mestrez, Hubert | Hubert Mestrez (Hubert Mestrez) | Actor | 1975 - 1977 | 10 | |
| Minkus, Hannelore | Hannelore Minkus (Hannelore Minkus) | Actor | 1953 - 1954 | 4 | |
| Mayer, José | José Mayer (José Mayer) | Actor | 1994 - 2002 | 2 | |
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