| McMahon, Nano | Nano McMahon | Actor | 1961 | 1 | |
| Mey, Annette | Annette Mey | Costume Designer | 2012 | 1 | |
| Mi-hyun, Choi | Choi Mi-hyun | Costume Designer | 2012 | 1 | |
| Minton, Robert | Robert Minton | Actor | 1961 | 1 | |
| Malinauskas, Mark | Mark Malinauskas | Actor | 1961 | 1 | |
| McGuire, Michael | Michael McGuire | Actor | 1961 - 1962 | 2 | |
| Muchnik, Jacobo | Jacobo Muchnik | Translator | 1961 | 1 | |
| McBride, Betsy | Betsy McBride | Actor | 2012 | 2 | |
| Metzger, Nicole | Nicole Metzger | Dramaturg | 2012 | 1 | |
| Martínez, Guillermo | Guillermo Martínez | Actor | 1961 | 1 | |
| Mörtel, Gerhard | Gerhard Mörtel | Actor | 1961 | 1 | |
| Mann, Günther | Günther Mann | Actor | 1961 | 1 | |
| Myrat, Dimitris | Dimitris Myrat | Actor | 1939 - 1990 | 6 | |
| Mousouri, Rita | Rita Mousouri | Actor | 1961 - 1990 | 3 | |
| McCaughey, Barbara | Barbara McCaughey | Actor | 1961 | 1 | |
| McLarnon, Patrick | Patrick McLarnon | Actor | 1961 | 1 | |
| Mitchel, Charles | Charles Mitchel | Actor | 1947 - 1961 | 3 | |
| Mattsson, Ulla | Ulla Mattsson | Actor | 1961 | 1 | |
| Macdonald, Ross | Ross Macdonald | Actor | 2012 | 1 | |
| Mills, Katy | Katy Mills | Costume Designer | 2012 | 1 | |
| Moustakis, Periklis | Periklis Moustakis | Actor | 2016 | 1 | |
| Mālkalne, Mirdza | Mirdza Mālkalne | Actor | 1960 | 1 | |
| Marks, Richard | Richard Marks | Designer | 1960 | 1 | |
| Mikkelsen, Thorleif | Thorleif Mikkelsen | Actor | 1960 | 1 | |
| Mihalick, Stephanie | Stephanie Mihalick | Actor | 2012 | 1 | |
| Mirth, Gregg | Gregg Mirth | Actor | 2012 | 1 | |
| Melki, Michel | Michel Melki | Actor | 2012 - 2013 | 13 | |
| Müller, Christian, Bojidar | Christian Bojidar Müller | Actor | 2016 | 1 | |
| Mamier, Natascha | Natascha Mamier | Actor | 2016 | 1 | |
| May-Wolsdorff, Ricky | Ricky May-Wolsdorff | Director | 2012 - 2013 | 11 | |
| Madden, James | James Madden | Actor | 1960 | 1 | |
| Moller, Denise | Denise Moller | Mask Maker | 1960 | 1 | |
| Münchhoff, Richard | Richard Münchhoff | Actor | 2011 - 2012 | 4 | |
| MacDuffie, Noel | Noel MacDuffie | Lighting Designer | 2011 | 1 | |
| Mazda, Richard | Richard Mazda | Producer | 2011 | 1 | |
| Miller, Paul G. | Paul G. Miller | Actor | 2011 | 1 | |
| Mroch, Mike | Mike Mroch | Designer | 2011 - 2014 | 2 | |
| Mares, Víctor | Víctor Mares | Actor | 1960 | 1 | |
| Mphepo, Jasen | Jasen Mphepo | Actor | 2011 | 1 | |
| Mudyiwenyama, O'Brien | O'Brien Mudyiwenyama | | | | |
| Mpofu, Sarah | Sarah Mpofu | | | | |
| Munhamo, Getrude | Getrude Munhamo | | | | |
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