| Molinaroli, Massimo | Massimo Molinaroli | Designer | 1965 | 1 | |
| Montini, Carlo | Carlo Montini | Actor | 1965 | 1 | |
| Meinrad, Josef | Josef Meinrad | Actor | 1965 | 1 | |
| Michall, Erna | Erna Michall | Actor | 1965 | 1 | |
| Machalica, Claus | Claus Machalica | Actor | 1965 | 1 | |
| Maruyama, Hisao | Hisao Maruyama | Lighting Designer | 1965 | 1 | |
| Michaels, Pamela | Pamela Michaels | Actor | 1965 | 1 | |
| Miloia, Virgil | Virgil Miloia | Designer | 1965 | 1 | |
| Mügge, Vera | Vera Mügge | Costume Designer | 1965 | 1 | |
| Moreno, María de los Ángeles | María de los Ángeles Moreno | Musical Director | 1965 | 1 | |
| Musäus, Peter | Peter Musäus | Actor | 1964 - 2015 | 3 | |
| Munzar, Ludĕk | Ludĕk Munzar | Actor | 1964 - 1994 | 11 | 1 |
| Mixa, Josef | Josef Mixa | Actor, Director | 1964 - 1990 | 7 | |
| Marcell, Peter | Peter Marcell | Actor | 1964 - 1983 | 3 | |
| Matschoss, Ulrich | Ulrich Matschoss | Actor | 1964 - 1980 | 5 | |
| Mago, - | - Mago (Max Goldstein) | Costume Designer, Designer | 1964 - 1979 | 9 | |
| Munk, Holger | Holger Munk | Actor | 1964 - 1978 | 2 | |
| Muceniece, Ilga | Ilga Muceniece | Actor | 1964 - 1975 | 2 | |
| Mantius, Karlheinz | Karlheinz Mantius | Actor | 1964 - 1973 | 2 | |
| Mason, Marshall W. | Marshall W. Mason | Director, Lighting Designer | 1964 - 1973 | 2 | 1 |
| Margulies, Armand | Armand Margulies | Actor | 1964 - 1970 | 2 | |
| Maattola, Inke | Inke Maattola | Actor | 1964 - 1969 | 2 | |
| Mann, Ellika | Ellika Mann | Actor | 1964 - 1968 | 4 | |
| Martsch, Günter, Erich | Günter Erich Martsch | Actor | 1964 - 1966 | 2 | |
| Moszkowicz, Imo | Imo Moszkowicz | Director | 1964 - 1965 | 4 | |
| Mitsakis, Vasilis | Vasilis Mitsakis | Actor | 1964 - 1965 | 2 | |
| Marsh, Keith | Keith Marsh | Actor | 1964 - 1965 | 5 | |
| Mugur, Vlad | Vlad Mugur | Director | 1964 - 1965 | 2 | |
| Mottoi, George | George Mottoi | Actor | 1964 - 1965 | 2 | |
| McCaw, Robert | Robert McCaw | Lighting Designer | 1964 | 1 | |
| Martins, Odilon | Odilon Martins | Actor | 1964 | 1 | |
| Maier-Körner, Theo | Theo Maier-Körner | Actor | 1964 | 1 | |
| Metalleidou, Pepi | Pepi Metalleidou | Actor | 1964 | 1 | |
| Moučka, Jaroslav | Jaroslav Moučka | Actor | 1964 | 1 | |
| Morstin, Ludwik, Hieronim | Ludwik Hieronim Morstin | Adaptation | 1964 | 1 | |
| Morán, Paco | Paco Morán | Actor | 1964 | 1 | |
| Minetti, Hans-Peter | Hans-Peter Minetti | Actor | 1964 | 1 | |
| McElroy, George | George McElroy | Actor | 1964 | 1 | |
| Melson, Søren | Søren Melson | Director | 1964 | 1 | |
| MacLean, Frazer | Frazer MacLean | Actor | 1964 | 1 | 1 |
| Morlan, Joseph | Joseph Morlan | Actor | 1964 | 1 | |
| Merrit, Michael | Michael Merrit | Actor | 1964 | 1 | |
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