| Miesch, Philippe | Philippe Miesch | Designer | 1998 | 2 | |
| Mateos, Carmen | Carmen Mateos | Costume Designer | 1998 | 2 | |
| Margid, Elizabeth | Elizabeth Margid | Director | 1998 | 1 | |
| Martin, Rick | Rick Martin | Lighting Designer | 1998 | 1 | |
| Matilainen, Tarja | Tarja Matilainen | Actor | 1998 | 3 | |
| Myllyselkä, Ari | Ari Myllyselkä | Actor | 1998 | 3 | |
| Martinkauppi, Timo | Timo Martinkauppi | Designer | 1998 | 1 | |
| Mankovecký, Peter | Peter Mankovecký | Composer | 1998 | 1 | |
| Magnúsdóttir, Hulda Kristín | Hulda Kristín Magnúsdóttir | Actor, Costume Designer | 1998 | 2 | |
| Montañés, Ángela | Ángela Montañés | Actor | 1998 | 1 | |
| Morales, Emiliano | Emiliano Morales | Actor | 1998 | 1 | |
| Maccie, Liz | Liz Maccie | Actor | 1998 - 1999 | 2 | |
| Mohr, Antonia | Antonia Mohr | Actor | 1998 - 2003 | 3 | |
| Ming, Gu | Gu Ming (Gu Ming) | Designer | 1998 - 2006 | 4 | |
| Marx, Thomas | Thomas Marx | Actor | 1998 - 2008 | 7 | |
| Maloney, Tracey | Tracey Maloney | Actor | 1998 - 2008 | 4 | |
| McKey, Susan | Susan McKey | Actor | 1998 - 2011 | 3 | |
| Musil, Vít | Vít Musil | Actor | 1998 - 2011 | 7 | |
| Melamed, Iris | Iris Melamed | Actor | 1998 - 2015 | 8 | |
| Manthey, Simone | Simone Manthey (Simone Manthey) | Designer | 1998 - 2016 | 5 | |
| Mastalerz, Andrzej | Andrzej Mastalerz | Actor | 1998 - 2017 | 2 | |
| Mordal, Anders | Anders Mordal (Anders Mordal) | Actor | 1998 - 2020 | 21 | 5 |
| Madin, Chris | Chris Madin (Chris Madin) | Composer | 1999 | 30 | |
| Magelli, Paolo | Paolo Magelli (Paolo Magelli) | Director | 1999 | 1 | |
| Marlatt, Richard | Richard Marlatt (Richard Marlatt) | Actor | 1999 | 1 | |
| Meduna, Jaromír | Jaromír Meduna (Jaromír Meduna) | Actor | 1999 | 1 | |
| Mellberg, Johanna | Johanna Mellberg (Johanna Mellberg) | Actor | 1999 | 1 | |
| Montgomery, Jane | Jane Montgomery (Jane Montgomery) | Actor | 1999 | 30 | |
| Muzzolon, Marco | Marco Muzzolon (Marco Muzzolon) | Designer | 1999 | 1 | |
| Müller, U. | U. Müller (U. Müller) | Actor | 1999 | 1 | |
| Malmierca, Álvaro | Álvaro Malmierca (Álvaro Malmierca) | Adaptation, Translator | 1999 | 2 | |
| Mazzarelli, - | - Mazzarelli (- Mazzarelli) | Actor | 1999 | 1 | |
| Mugulia, Crystal Bleu | Crystal Bleu Mugulia (Crystal Bleu Mugulia) | Actor | 1999 | 1 | |
| Masini, Antonella | Antonella Masini (Antonella Masini) | Actor | 1999 | 1 | |
| Melin, Anna-Lena | Anna-Lena Melin (Anna-Lena Melin) | Mask Maker | 1999 | 1 | |
| Márkus, Alfréd | Alfréd Márkus | Translator | 1999 | 1 | |
| Medgyessy, Pál | Pál Medgyessy | Actor | 1999 | 1 | |
| Márton, Lóránt | Lóránt Márton | Actor | 1999 | 1 | |
| Mareš, Václav | Václav Mareš | Actor | 1999 | 1 | |
| Millerová, Petra | Petra Millerová | Actor | 1999 | 1 | |
| Możdżerówna, Jadwiga | Jadwiga Możdżerówna | Actor | 1999 | 5 | |
| Marquardt, Sylvia | Sylvia Marquardt | Dramaturg | 1999 | 1 | |
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