| Maranto, Mark, Christopher | Mark Christopher Maranto | Actor | 1980 | 1 | |
| Marshall, William, Horace | William Horace Marshall | Actor | 1980 | 2 | 1 |
| McGreevy, Barbara | Barbara McGreevy | Actor | 1980 | 1 | |
| Mink, David | David Mink | Actor | 1980 | 2 | |
| Munro, Claude | Claude Munro | Designer | 1980 | 1 | |
| Moore, Andrew | Andrew Moore | Actor | 1980 | 2 | |
| Mosher, Gregory | Gregory Mosher | Director | 1980 | 2 | 1 |
| Milner, Roger | Roger Milner | Actor | 1980 | 1 | |
| Marlowe, Christopher | Christopher Marlowe | Actor | 1980 | 1 | |
| McKenna, Kathy | Kathy McKenna | Actor | 1980 | 1 | |
| Maclean, Calvin | Calvin Maclean | Director | 1980 | 1 | 1 |
| Makimura, Mieko | Mieko Makimura | Actor | 1980 | 1 | |
| Mäkinen, Pauli | Pauli Mäkinen | Actor | 1980 | 4 | |
| 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 | 1 |
| Mitchell, Adrian | Adrian Mitchell | Adaptation | 1980 | 1 | 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 | 2 | |
| 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 | |
| Marini, Giovanna | Giovanna Marini | Composer | 1980 | 4 | |
| Moscalero, Paolo | Paolo Moscalero | Actor | 1980 | 1 | |
| Maganaro, Antonino | Antonino Maganaro | Actor | 1980 | 1 | |
| Manganaro, Antonio | Antonio Manganaro | Actor | 1980 | 3 | |
| 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 | |
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