| Magee, Sean | Sean Magee | Sound Designer | 1975 | 1 | |
| Macpherson, John | John Macpherson | Actor | 1975 | 1 | |
| Martin, Adam | Adam Martin | Actor | 1975 - 1976 | 1 | |
| McInerney, Bernie | Bernie McInerney | Actor | 1975 - 1976 | 1 | |
| Mikkelsen, Magnar | Magnar Mikkelsen | Adaptation | 1975 - 1976 | 9 | |
| Massara, Pino | Pino Massara | Composer | 1975 - 1976 | 3 | |
| Meyer, Donna | Donna Meyer | Costume Designer | 1975 - 1976 | 1 | |
| Molron, France, | France Molron | Actor | 1975 - 1977 | 10 | |
| Mestrez, Hubert, | Hubert Mestrez | Actor | 1975 - 1977 | 10 | |
| Marić, Veljko | Veljko Marić | Musical Director | 1975 - 1977 | 1 | |
| Mesić, Cvijeta | Cvijeta Mesić | Actor | 1975 - 1977 | 1 | |
| Müller, Hans-Reinhard | Hans-Reinhard Müller | Actor, Director | 1975 - 1980 | 3 | |
| Meek, Barbara | Barbara Meek | Actor | 1975 - 1984 | 5 | |
| Michalski, Stanisław | Stanisław Michalski | Actor | 1975 - 1992 | 4 | |
| Mezzanotte, Luigi, | Luigi Mezzanotte | Actor | 1975 - 1993 | 3 | |
| Meader, Derek | Derek Meader | Actor | 1975 - 1995 | 9 | |
| Mandel, Jane | Jane Mandel | Actor, Director | 1975 - 2004 | 2 | |
| Muhr, Michael | Michael Muhr | Adaptation, Translator | 1975 - 2009 | 7 | |
| Müller, Herbert | Herbert Müller | Actor | 1975 - 2010 | 9 | |
| Mantle, Doreen | Doreen Mantle | Actor | 1975 - 2011 | 2 | |
| Machníková, Vlasta | Vlasta Machníková | Actor | 1976 | 1 | |
| Meyer, Wilhelm, | Wilhelm Meyer | Actor | 1976 | 3 | |
| Meirik, Hans Petter, | Hans Petter Meirik | Actor | 1976 | 4 | |
| Mason, Roger | Roger Mason | Actor | 1976 | 1 | |
| Mackley, Philip | Philip Mackley | Actor | 1976 | 1 | |
| Meulman, Bea | Bea Meulman | Actor | 1976 | 2 | |
| Maekawa, Testuo | Testuo Maekawa | Actor | 1976 | 1 | |
| Marquardt, Lotte | Lotte Marquardt | Actor | 1976 | 5 | |
| Medina, Candelario | Candelario Medina | Designer | 1976 | 1 | |
| Milnerowicz, Piotr | Piotr Milnerowicz | Actor | 1976 | 1 | |
| Marzinek, Elżbieta | Elżbieta Marzinek | Actor | 1976 | 1 | |
| Monnet, Gabriel | Gabriel Monnet | Actor | 1976 | 1 | |
| Müller, Christiane | Christiane Müller | Actor | 1976 | 1 | |
| Mautz, Rolf | Rolf Mautz | Actor | 1976 | 3 | |
| Milward, Kristin | Kristin Milward | Actor | 1976 | 1 | |
| Murphy, Paul | Paul Murphy | Actor | 1976 | 1 | |
| Morton, Billie | Billie Morton | Actor | 1976 | 1 | |
| McGrath, Brian | Brian McGrath | Actor | 1976 | 1 | |
| Maklakiewicz, Zdzisław | Zdzisław Maklakiewicz | Actor | 1976 | 1 | |
| Milca, Mailea | Mailea Milca | Actor | 1976 | 1 | |
| Majoros, István | István Majoros | Choreographer | 1976 | 3 | |
| Melles, Judith | Judith Melles | Actor | 1976 | 2 | |
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