| Moulian, Manuela | Manuela Moulian | Actor | 1980 | 1 | |
| Marcussen, Michael | Michael Marcussen | Actor | 1980 | 1 | |
| Moreno, Andrés | Andrés Moreno | Actor | 1980 | 1 | |
| Morales, Victoria, M. | Victoria M. Morales | Actor | 1980 | 1 | |
| Maldonado, Luis, F. | Luis F. Maldonado | Actor | 1980 | 1 | |
| McGuire, Lloyd | Lloyd McGuire | Actor | 1980 | 1 | |
| McGuire, William, "Biff" | William "Biff" McGuire | Actor | 1980 | 1 | |
| Martikainen, Kauko | Kauko Martikainen | Actor | 1980 | 1 | |
| Mosiman, Marnie | Marnie Mosiman | Actor | 1980 | 1 | |
| Matsuno, Kennichi | Kennichi Matsuno | Actor | 1980 | 1 | |
| Miksch, Wolfgang | Wolfgang Miksch | Actor | 1980 | 1 | |
| Mielau, Doris | Doris Mielau | Actor | 1980 | 1 | |
| Masch, Hansjörg | Hansjörg Masch | Dramaturg | 1980 | 1 | |
| Melang, Dean | Dean Melang | Actor | 1980 | 1 | |
| Mahon, Niamh | Niamh Mahon | Actor | 1980 | 1 | |
| Moore, Richard | Richard Moore | Actor | 1980 | 1 | |
| Molloy, John | John Molloy | Actor | 1980 | 1 | |
| McKay, John | John McKay | Actor | 1980 | 1 | |
| Morick, Jeanine | Jeanine Morick | Actor | 1980 | 2 | |
| 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 | |
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