| McKinney, William, L. | William L. McKinney | Director | 1964 | 1 | 1 |
| Mennen, James | James Mennen | Actor | 1964 | 1 | |
| Minter, Niki | Niki Minter | Costume Designer | 1964 | 1 | |
| McCaffrey, Meta | Meta McCaffrey | Actor | 1964 | 1 | |
| McDougall, Gordon | Gordon McDougall | Actor | 1964 | 1 | |
| Morgan, William, R. | William R. Morgan | Director | 1964 | 1 | 1 |
| Myers, Anne | Anne Myers | Composer | 1964 | 1 | |
| Montoya, Alicia | Alicia Montoya | Actor | 1964 | 1 | |
| Morán, Patricia | Patricia Morán | Actor | 1964 | 1 | |
| Mendoza, Fernando | Fernando Mendoza | Actor | 1964 | 1 | |
| Méndez, Alfredo | Alfredo Méndez | Actor | 1964 | 1 | |
| Millán, Claudia | Claudia Millán | Actor | 1964 | 1 | |
| Montiel, Jesús | Jesús Montiel | Actor | 1964 | 1 | |
| Methling, Jan | Jan Methling | Actor | 1964 | 1 | |
| Moss, Raymond | Raymond Moss | Actor | 1964 | 1 | |
| Mikellatos, Alexandra | Alexandra Mikellatos | Actor | 1964 | 1 | |
| McDowell, Myles | Myles McDowell | Actor | 1964 | 1 | |
| Marković, Zvonimir | Zvonimir Marković | Actor | 1964 | 1 | |
| Margetić, Vera | Vera Margetić | Actor | 1964 | 1 | |
| Makov, V. | V. Makov | Designer | 1964 | 1 | |
| Martin, David | David Martin | Actor | 1963 - 2014 | 19 | 2 |
| Mottl, Erika | Erika Mottl | Actor | 1963 - 1985 | 2 | |
| Marzo, Claudio | Claudio Marzo | Actor | 1963 - 1982 | 3 | |
| Mellor, Harold | Harold Mellor | Actor | 1963 - 1977 | 3 | |
| Mower, Patrick | Patrick Mower | Actor | 1963 - 1976 | 3 | |
| Monn-Iversen, Egil | Egil Monn-Iversen | Composer, Producer | 1963 - 1975 | 2 | |
| Matcaboji, Mircea | Mircea Matcaboji | Designer | 1963 - 1974 | 5 | |
| Maciejewski, Zygmunt | Zygmunt Maciejewski | Actor | 1963 - 1969 | 3 | |
| Mitrović, Drago | Drago Mitrović | Actor | 1963 - 1967 | 2 | |
| Munso, Felix | Felix Munso | Actor | 1963 - 1964 | 3 | |
| Mott, Charles | Charles Mott | Actor | 1963 | 1 | |
| Myers, Roland | Roland Myers | Mask Maker | 1963 | 1 | |
| McFarland, Fred | Fred McFarland | Actor | 1963 | 1 | |
| Marosin, Mircea | Mircea Marosin | Costume Designer, Designer | 1963 | 2 | |
| Moisescu, Mihnea | Mihnea Moisescu | Actor | 1963 | 1 | |
| Marinescu, Iulian | Iulian Marinescu | Actor | 1963 | 1 | |
| Marian, Eugenia | Eugenia Marian | Actor | 1963 | 1 | |
| Moga, Dorin | Dorin Moga | Actor | 1963 | 1 | |
| Motzfeldt, Alfhild | Alfhild Motzfeldt | Translator | 1963 | 1 | |
| Maguire, Leo | Leo Maguire | Actor | 1963 | 1 | |
| Munteanu, Getica (Otilia ?) | Getica (Otilia ?) Munteanu | Actor | 1963 | 1 | |
| Markham, Joseph, R. | Joseph R. Markham | Costume Designer | 1963 | 1 | |
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