| Moodie, Tanya | Tanya Moodie (Tanya Moodie) | Actor | 1994 - 2005 | 7 | |
| McCaul, Ruth Rayyah | Ruth Rayyah McCaul (Ruth Rayyah McCaul) | Actor | 2005 | 1 | |
| Munroe, John | John Munroe (John Munroe) | Lighting Designer | 1981 - 2004 | 2 | |
| Miraisha, - | - Miraisha (- Miraisha) | Designer | 1990 | 1 | |
| Moos, Karl Heinz | Karl Heinz Moos (Karl Heinz Moos) | Dramaturg | 1975 | 1 | |
| Mullin, Bronwen | Bronwen Mullin (Bronwen Mullin) | Composer | 2011 | 1 | |
| Marx, Emil | Emil Marx (Emil Marx) | Actor, Director | 1898 | 3 | |
| 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 | |
| Malcolm, Grant | Grant Malcolm (Grant Malcolm) | Actor, Director | 2000 - 2022 | 2 | |
| Morgan, Jackie | Jackie Morgan (Jackie Morgan) | Lighting Designer | 1984 | 1 | |
| Mitchell, Gregg | Gregg Mitchell (Gregg Mitchell) | Designer | 1984 | 1 | |
| Mason, Paul | Paul Mason (Paul Mason) | Actor | 1986 | 1 | |
| Milner, Johnny | Johnny Milner (Johnny Milner) | Composer | 2007 | 1 | |
| McLean, Carrie | Carrie McLean (Carrie McLean) | Actor | 2000 | 1 | |
| Moen, Ingvald | Ingvald Moen (Ingvald Moen) | Actor | 1974 | 10 | |
| Modes, Theo | Theo Modes (Theo Modes) | Actor, Designer, Director | 1915 - 1924 | 11 | |
| Montenegro, Ira | Ira Montenegro (Ira Montenegro) | Lighting Designer | 1988 - 1989 | 4 | |
| 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 | |
| Mendes, Cássio Gabus | Cássio Gabus Mendes (Cássio Gabus Mendes) | Actor | 2002 | 1 | |
| Merő, Béla | Béla Merő (Béla Merő) | Director | 2005 - 2010 | 2 | |
| Mira, János | János Mira (János Mira) | Designer | 2010 | 1 | |
| Müller, Margarethe | Margarethe Müller (Margarethe Müller) | Actor | 1895 - 1897 | 3 | |
| Müller, Emmy | Emmy Müller (Emmy Müller) | Actor | 1893 - 1897 | 3 | |
| Müller, Lolo | Lolo Müller (Lolo Müller) | Actor | 1896 - 1897 | 2 | |
| Merten, Claudius | Claudius Merten (Claudius Merten) | Actor | 1889 - 1907 | 4 | |
| Müller, Trude | Trude Müller (Trude Müller) | Actor | 1895 | 1 | |
| Mietens, Pia | Pia Mietens (Pia Mietens) | Actor | 1932 - 1941 | 3 | |
| Mayer, Murphy | Murphy Mayer (Murphy Mayer) | Actor | 2011 | 1 | |
| Martin, William | William Martin (William Martin) | Sound Designer | 2011 | 1 | |
| Moriau, Stephanie | Stephanie Moriau (Stephanie Moriau) | Actor | 2011 | 1 | |
| Moses, Carina | Carina Moses (Carina Moses) | Actor | 2009 - 2011 | 2 | |
| Musician, Tim | Tim Musician (Tim Musician) | | | | |
| Macdougall, Irene | Irene Macdougall (Irene Macdougall) | Actor | 2007 - 2010 | 25 | |
| McNair, Leon | Leon McNair (Leon McNair) | Actor | 2010 | 1 | |
| Macaulay, Lema | Lema Macaulay (Lema Macaulay) | Actor | 2010 | 1 | |
| Masini, Antonella | Antonella Masini (Antonella Masini) | Actor | 1999 | 1 | |
| Msuku, Bennie | Bennie Msuku (Bennie Msuku) | Actor | 2006 | 22 | |
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