| Murrell, John | John Murrell | Adaptation, Translator | 1983 - 2007 | 6 | 1 |
| Matikainen, Osmo | Osmo Matikainen | Actor | 1983 - 2006 | 2 | |
| Mogendorf, Thomas | Thomas Mogendorf | Costume Designer, Designer | 1983 - 2006 | 16 | 1 |
| Manker, Paulus | Paulus Manker | Actor | 1983 - 2003 | 6 | |
| Marks, Hagen | Hagen Marks | Actor | 1983 - 2001 | 3 | |
| Moore, Christopher | Christopher Moore | Actor, Sound Designer | 1983 - 1999 | 2 | 1 |
| Meling, Audun | Audun Meling | Actor | 1983 - 1997 | 14 | 1 |
| Mochizuki, Michiharu | Michiharu Mochizuki | Actor | 1983 - 1994 | 3 | |
| Molnár, Zsuzsa | Zsuzsa Molnár | Actor | 1983 - 1991 | 4 | |
| Muinzer, Louis | Louis Muinzer | Director, Translator | 1983 - 1990 | 6 | 1 |
| Munch-Møller, Asger | Asger Munch-Møller | Actor, Translator | 1983 - 1990 | 3 | 1 |
| Matus, György | György Matus | Actor | 1983 - 1988 | 2 | |
| Myklestad, Willy | Willy Myklestad | Lighting Designer | 1983 - 1988 | 2 | |
| Michel, Barbara | Barbara Michel | Actor | 1983 - 1986 | 2 | |
| Matthews, Dakin | Dakin Matthews | Actor | 1983 - 1986 | 2 | |
| Mirbach, Ingrid | Ingrid Mirbach | Actor | 1983 - 1984 | 2 | 1 |
| MacMahon, Jacob | Jacob MacMahon | Actor | 1983 | 1 | |
| MacMahon, Rachel | Rachel MacMahon | Actor | 1983 | 1 | |
| Mürk, Harri | Harri Mürk | Actor | 1983 | 1 | |
| McCabe, Stephen | Stephen McCabe | Designer | 1983 | 1 | |
| Morera, José María | José María Morera | Director | 1983 | 1 | |
| Marshall Englis, Dorothy | Dorothy Marshall Englis | Costume Designer | 1983 | 1 | |
| Miller, Martha | Martha Miller | Actor | 1983 | 1 | 1 |
| Mrsán, János | János Mrsán | Director | 1983 | 1 | |
| Martyn, Greg | Greg Martyn | Actor | 1983 | 2 | 1 |
| McCloskey, Steven | Steven McCloskey | Actor | 1983 | 6 | 1 |
| Morrell, David | David Morrell | Actor | 1983 | 1 | |
| Møller, Frederik, Hansen | Frederik Hansen Møller | Actor | 1983 | 1 | |
| Møller, Kaj, Sølvig | Kaj Sølvig Møller | Actor | 1983 | 1 | |
| Møllegaard, Margrethe K. | Margrethe K. Møllegaard | Actor | 1983 | 1 | |
| McGookin, Colin | Colin McGookin | Designer | 1983 | 2 | |
| Murdoch, Alan | Alan Murdoch | Composer | 1983 | 2 | |
| McNicholl, Colin | Colin McNicholl | Actor | 1983 | 1 | |
| McAlister, Evelyn | Evelyn McAlister | Actor | 1983 | 2 | |
| Mulvenna, Declan | Declan Mulvenna | Actor | 1983 | 2 | |
| Machata, Karol | Karol Machata | Actor | 1983 | 1 | 1 |
| Máhr, Ági | Ági Máhr | Actor | 1983 | 1 | |
| Márffy, Vera | Vera Márffy | Actor | 1983 | 1 | |
| Makra, Ildikó | Ildikó Makra | Actor | 1983 | 1 | |
| Mihályi, Győző | Győző Mihályi | Actor | 1983 | 1 | |
| Mokrowiecki, Marek | Marek Mokrowiecki | Director | 1983 | 1 | |
| Morley, Christopher | Christopher Morley | Costume Designer, Designer | 1983 | 2 | 1 |
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