| Mikol, Jürgen | Jürgen Mikol | Actor | 1994 | 1 | |
| Mikiver, Tõnu | Tõnu Mikiver | Actor | 1978 - 1997 | 5 | |
| Mikiver, Carmen | Carmen Mikiver | Actor | 1997 | 1 | |
| Mihkelson, Kaie | Kaie Mihkelson | Actor | 1997 | 1 | |
| McPherson, Coco | Coco McPherson | Actor | 1989 - 1995 | 6 | 1 |
| Miyazaki, Emiko | Emiko Miyazaki | Actor | 1994 | 1 | |
| Minegishi, Shintaro | Shintaro Minegishi | Actor | 1992 - 1994 | 2 | |
| Morina, Yoshimori | Yoshimori Morina | Actor | 1994 | 1 | |
| Meyer, Doris | Doris Meyer | Actor | 1962 - 1997 | 2 | |
| Moraitis, John | John Moraitis | Actor | 1997 | 1 | |
| Mitchell, William Charles | William Charles Mitchell | Actor | 1997 | 1 | |
| Mohat, Bruce | Bruce Mohat | Actor | 1997 | 1 | |
| Mantis, Renos | Renos Mantis | Actor | 1994 | 1 | |
| Marshall-Clarke, Josh | Josh Marshall-Clarke | Actor | 2009 | 1 | |
| Mertl, Stephan | Stephan Mertl | Actor | 1997 - 2009 | 4 | 2 |
| McEwen, Karys | Karys McEwen | Actor | 2009 | 1 | |
| Massara, Monica | Monica Massara | Actor | 1995 | 1 | |
| Morellec, Moriane | Moriane Morellec | Actor | 2009 | 1 | |
| Melles, Remco | Remco Melles | Actor | 1994 - 2008 | 18 | |
| Martin, Jill Cary | Jill Cary Martin | Actor | 1997 | 1 | 1 |
| Mertanen, Inkeri | Inkeri Mertanen | Actor | 1980 - 2006 | 4 | |
| Mäkinen, Pauli | Pauli Mäkinen | Actor | 1980 | 4 | |
| Myšička, Martin | Martin Myšička | Actor | 1995 | 1 | |
| Murphy, Rosemary | Rosemary Murphy | Actor | 1980 - 1999 | 2 | 1 |
| McGowin, Brittain | Brittain McGowin | Actor | 1980 | 1 | |
| Maisie, Ruth | Ruth Maisie | Actor | 1980 | 1 | |
| Mieroph, Gilbert | Gilbert Mieroph | Actor | 1996 - 2010 | 5 | 5 |
| Melvin, Jules | Jules Melvin | Actor | 1996 | 1 | |
| Middleton, Cristopher | Cristopher Middleton | Actor | 1996 | 1 | |
| Michel, Penny Sibylle | Penny Sibylle Michel | Actor | 1996 - 2002 | 4 | |
| Mächler, Edwin | Edwin Mächler | Actor | 1996 | 1 | |
| Miranda-Bascunan, David | David Miranda-Bascunan | Actor | 1995 | 3 | |
| Marinov, Tanju | Tanju Marinov | Actor | 1996 | 1 | |
| Meulen, Evert van der | Evert van der Meulen | Actor | 1995 | 1 | |
| Máthé, Eta | Eta Máthé | Actor | 1996 | 1 | |
| Mason, Karla | Karla Mason | Actor | 1996 | 1 | |
| Mindicino, Mark | Mark Mindicino | Actor | 1996 | 1 | |
| McClemens, Julie | Julie McClemens | Actor | 1996 | 1 | 1 |
| Marx, Cornelia | Cornelia Marx | Actor | 1996 | 5 | |
| Markovics, Margit | Margit Markovics | Actor | 1908 - 1920 | 6 | |
| Maiwald, Carolin | Carolin Maiwald | Actor | 1996 | 4 | |
| Martin, R. | R. Martin | Actor | 1997 | 1 | |
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