| McGowin, Brittain | Brittain McGowin | Actor | 1980 | 1 | |
| Maisie, Ruth | Ruth Maisie | Actor | 1980 | 1 | |
| Mortimer, Terry | Terry Mortimer | Actor, Musical Director | 1980 | 3 | |
| McDougall, Gordon | Gordon McDougall | Director | 1980 | 1 | |
| Mitchell, Adrian | Adrian Mitchell | Adaptation | 1980 | 1 | |
| Miller, J. G. | J. G. Miller | Costume Designer, Designer | 1980 | 2 | |
| Meiszter, Eva | Eva Meiszter | Actor | 1980 | 1 | |
| Manos, Teofany | Teofany Manos | Actor | 1980 | 1 | |
| McMenamin, Patricia | Patricia McMenamin | Actor | 1980 | 16 | |
| Mythen, Máirín | Máirín Mythen | Actor | 1980 | 16 | |
| Mantschenko-Feredzhanova, Darina | Darina Mantschenko-Feredzhanova | Costume Designer | 1980 | 1 | |
| Massalitinova, Tanja | Tanja Massalitinova | Actor | 1980 | 1 | |
| Miladinov, Georgi | Georgi Miladinov | Actor | 1980 | 1 | |
| Marinov, Marin | Marin Marinov | Designer | 1980 | 1 | |
| Masé, Marino | Marino Masé | Actor | 1980 | 1 | |
| Merli, Adalberto Maria | Adalberto Maria Merli | Actor | 1980 | 1 | |
| Martini, Michela Martini | Michela Martini Martini | Actor | 1980 | 1 | |
| MacArthur, Edith | Edith MacArthur | Actor | 1980 | 1 | |
| McMillan, Roddy | Roddy McMillan | Actor | 1980 | 1 | |
| Millbank, Elizabeth | Elizabeth Millbank | Actor | 1980 | 1 | |
| McKenzie, David | David McKenzie | Designer | 1980 | 1 | |
| Munchmeyer, Gloria | Gloria Munchmeyer | Actor | 1980 - 1981 | 2 | |
| Milojevic, Alexander | Alexander Milojevic | Designer | 1980 - 1982 | 2 | |
| Maier, Henriette | Henriette Maier | Actor | 1980 - 1985 | 4 | |
| Miiros, Annika | Annika Miiros | Actor | 1980 - 1986 | 2 | |
| Murakami, Satoshi | Satoshi Murakami | Actor | 1980 - 1987 | 2 | |
| Mitropoulou, Kaiti | Kaiti Mitropoulou | Actor | 1980 - 1992 | 3 | |
| Matull, Oskar | Oskar Matull | Actor | 1980 - 1997 | 2 | |
| Murphy, Rosemary | Rosemary Murphy | Actor | 1980 - 1999 | 2 | |
| Michel, Ingulf | Ingulf Michel | Actor | 1980 - 2002 | 5 | |
| McCabe, Vincent | Vincent McCabe | Actor | 1980 - 2003 | 3 | |
| Moriconi, Valeria | Valeria Moriconi | Actor | 1980 - 2005 | 18 | |
| Mertanen, Inkeri | Inkeri Mertanen | Actor | 1980 - 2006 | 4 | |
| Mannini, Elena | Elena Mannini | Costume Designer | 1980 - 2007 | 2 | |
| McKeown, Fintan | Fintan McKeown | Actor | 1980 - 2010 | 2 | |
| McDiarmid, Ian | Ian McDiarmid | Actor | 1980 - 2011 | 4 | |
| Maagaard, Jytte | Jytte Maagaard | Actor | 1981 | 1 | |
| May, David | David May | Actor | 1981 | 1 | |
| Meltke, Martin | Martin Meltke | Director | 1981 | 1 | |
| Molloy, David | David Molloy | Actor | 1981 | 1 | |
| Meller, Margit | Margit Meller | Actor | 1981 | 1 | |
| Müller, Luitpold | Luitpold Müller | Actor | 1981 | 1 | |
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