| Moore, Stanley | Stanley Moore | Costume Designer, Designer | 1947 | 2 | |
| Magalhães, Aloísio | Aloísio Magalhães | Costume Designer, Designer | 1949 | 2 | |
| Mumcu, Hüseyin | Hüseyin Mumcu (Huseyin Mumcu) | Costume Designer, Designer | 1965 - 2012 | 5 | |
| Metcalfe, Carol | Carol Metcalfe | Costume Designer, Designer | 1972 | 2 | |
| McMonagle, Graham | Graham McMonagle | Costume Designer, Designer | 2019 | 2 | |
| Mary, Xavier | Xavier Mary | Costume Designer, Designer | 2019 | 2 | |
| Miletić, Jelena | Jelena Miletić | Costume Designer, Designer | 2014 - 2022 | 5 | |
| Meinecke, Max | Max Meinecke | Costume Designer, Designer, Director | 1947 - 1956 | 4 | |
| Mer'ati, Javad | Javad Mer'ati | Costume Designer, Designer, Lighting Designer | 2006 | 3 | |
| Mincic, Andreea | Andreea Mincic | Costume Designer, Designer, Set Designer | 2010 - 2024 | 4 | |
| Mettin, Stephan | Stephan Mettin | Costume Designer, Director | 1992 - 2000 | 3 | 1 |
| Mutter, Johannita | Johannita Mutter | Costume Designer, Mask Maker | 2004 - 2014 | 3 | |
| Moran, Catherine | Catherine Moran | Costume Designer, Mask Maker | 2008 | 2 | |
| Miehe-Renard, Petruska | Petruska Miehe-Renard | Costume Designer, Set Designer | 2024 - 2025 | 6 | |
| Machairianaki, Anna | Anna Machairianaki (Άννα Μαχαιριανάκη) | Costume Designer, Set Designer | 2025 | 2 | |
| Madeleine | Madeleine - | Dancer | 2003 | 1 | |
| Madsen, Vilde Viktoria | Vilde Viktoria Madsen | Dancer | 2009 - 2010 | 2 | |
| Musto, Cleo Ramstad | Cleo Ramstad Musto | Dancer | 2010 | 1 | |
| Myhren, Elise | Elise Myhren | Dancer | 2010 | 1 | |
| Mahoney, Patrick | Patrick Mahoney | Dancer | 1990 | 2 | |
| Mildhia, Lia | Lia Mildhia | Dancer | 1922 | 1 | |
| Macintyre, Marguerite | Marguerite Macintyre | Dancer | 1984 | 1 | |
| Miot, Eric | Eric Miot | Dancer | 1989 - 1990 | 2 | 1 |
| Meierhans, Cornelia | Cornelia Meierhans | Dancer | 1989 - 1990 | 2 | |
| Mazon, Janusz | Janusz Mazon | Dancer | 1989 - 1990 | 2 | |
| Maylin, Caroline | Caroline Maylin | Dancer | 1989 - 1990 | 2 | |
| Manferdini, Gabriel | Gabriel Manferdini | Dancer | 1989 - 1990 | 2 | |
| Mengarelli, Mikael | Mikael Mengarelli | Dancer | 1992 | 1 | |
| Moser, Daniela | Daniela Moser | Dancer | 1994 | 2 | |
| Maxim, Dorina | Dorina Maxim | Dancer | 1994 | 5 | |
| Maláčová, Adéla | Adéla Maláčová | Dancer | 1996 | 1 | |
| McGilliard, George | George McGilliard | Dancer | 1966 | 1 | |
| Metcalf, Mark | Mark Metcalf | Dancer | 1966 | 1 | |
| Maier, Gerd | Gerd Maier | Dancer | 1966 | 1 | |
| Mascid, Caterina | Caterina Mascid | Dancer | 2002 | 1 | |
| Moers, Susanne | Susanne Moers | Dancer | 2002 | 1 | |
| May, Victoria | Victoria May | Dancer | 2001 | 2 | |
| Musilová, Michaela | Michaela Musilová | Dancer | 2007 | 1 | |
| Mutua, Rosanna | Rosanna Mutua | Dancer | 2004 | 1 | |
| Malcev, Viktor | Viktor Malcev | Dancer | 1941 | 1 | |
| Marozzi, Mario | Mario Marozzi | Dancer | 2007 | 1 | |
| Madsen, Egon | Egon Madsen | Dancer | 2007 | 1 | |
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