| Mason, Robin | Robin Mason | Musician | 2004 | 5 | |
| Meijer, Maike | Maike Meijer | Actor | 2004 | 1 | |
| May, Olwen | Olwen May | Actor | 2004 | 1 | |
| McKenna, Ged | Ged McKenna | Actor | 2004 | 1 | |
| Matásek, David | David Matásek | Actor | 2006 | 1 | |
| Molčík, Antonín | Antonín Molčík | Actor | 2006 | 1 | |
| Merrylees, Nick | Nick Merrylees | Lighting Designer | 2004 | 2 | |
| MacFarlane, Ken | Ken MacFarlane | Actor | 2004 | 1 | |
| Meinschein, Maggie | Maggie Meinschein | Actor | 2004 | 1 | |
| Milligan, Jennifer | Jennifer Milligan | Actor | 2004 | 1 | |
| Martin, Christelle | Christelle Martin | Actor | 2004 - 2005 | 54 | |
| Mégard, Mathias | Mathias Mégard | Actor | 2004 - 2005 | 54 | |
| Manzoni, Laurent | Laurent Manzoni | Actor | 2004 - 2005 | 72 | |
| Mouhous, Hakim | Hakim Mouhous | Designer | 2004 - 2005 | 9 | |
| McMahon, Jacob | Jacob McMahon | Actor | 2004 | 1 | |
| Mutua, Rosanna | Rosanna Mutua | Dancer | 2004 | 1 | |
| Möckel, Gunter | Gunter Möckel | Actor | 2004 | 1 | |
| McConaghy, Sean | Sean McConaghy | Actor | 2004 - 2021 | 2 | |
| McNeil, Heidi | Heidi McNeil | Actor | 2004 | 1 | |
| Morisette, Andrew | Andrew Morisette | Actor | 2004 | 1 | |
| Mubarack, André | André Mubarack | Actor | 2004 - 2005 | 5 | |
| Marshall Whittaker, Jane | Jane Marshall Whittaker | Costume Designer | 2004 - 2005 | 3 | |
| März, Rainer | Rainer März | Actor | 2004 | 1 | |
| Maratrat, Léo | Léo Maratrat | Actor | 2004 | 2 | |
| Maratrat, Alain | Alain Maratrat | Adaptation, Director | 2004 | 4 | |
| Moise, Candice | Candice Moise | Designer, Lighting Designer | 2004 | 2 | |
| Mitterer, Alexander | Alexander Mitterer | Actor | 2004 | 1 | |
| Minh, Tran | Tran Minh | Choreographer | 2004 - 2006 | 2 | |
| Morton, John | John Morton | Actor | 2004 | 1 | |
| McLean, Kara | Kara McLean | Actor | 2004 | 1 | |
| McSpadyen, John | John McSpadyen | Director | 2004 | 1 | |
| Műller, Vlado | Vlado Műller | Actor | 1972 - 2004 | 2 | |
| Mikalsen, Mona | Mona Mikalsen | Actor | 2004 | 5 | |
| Mordal, Anne-Grete | Anne-Grete Mordal | Actor | 2004 | 3 | |
| Moe, Nils | Nils Moe | Actor | 2004 | 2 | |
| Mordal Konradsen, Emilie | Emilie Mordal Konradsen | Actor | 2004 | 3 | |
| Moe, Vigdis | Vigdis Moe | Actor | 2004 | 2 | |
| Måsøval, Kjersti | Kjersti Måsøval | Actor | 2004 | 1 | |
| Mossman, John | John Mossman | Actor | 2004 - 2025 | 2 | |
| McKnight, Betsy Elizabeth Ann | Betsy Elizabeth Ann McKnight | Actor, Mask Maker | 2004 | 2 | |
| Mack, Joe | Joe Mack | Actor | 2004 | 1 | |
| Matoušková, Lucie | Lucie Matoušková | Actor | 2005 - 2007 | 18 | |
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