| Moller, Denise | Denise Moller | Mask Maker | 1960 | 1 | |
| Magnusson, Karl | Karl Magnusson | Mask Maker | 1957 | 1 | |
| Masson, Gust | Gust Masson | Mask Maker | 1956 - 1957 | 3 | |
| Mantel, Marie | Marie Mantel | Mask Maker | 1932 | 1 | |
| Mattsson, Barbara | Barbara Mattsson | Mask Maker | 2000 | 3 | |
| Madsen, Anny, M. | Anny M. Madsen | Mask Maker | 1978 | 1 | |
| Moureaud, Claudine | Claudine Moureaud | Mask Maker | 2018 | 1 | |
| Martin, Bob | Bob Martin (Bob Martin) | Lighting Designer, Sound Designer | 1990 | 2 | |
| Mutalipassi, Loredana | Loredana Mutalipassi (Loredana Mutalipassi) | Lighting Designer, Sound Designer | 2006 | 2 | |
| Martinez, Derly | Derly Martinez (Derly Martinez) | Lighting Designer, Sound Designer | 1945 | 2 | |
| Mayo, Andrew | Andrew Mayo | Lighting Designer, Sound Designer | 1986 | 2 | |
| Marques, João Carlos | João Carlos Marques | Lighting Designer, Sound Designer | 1987 - 2007 | 8 | |
| Monaghan III, Joseph P. | Joseph P. Monaghan III | Lighting Designer, Sound Designer | 2009 | 2 | |
| Moss, Raphaël-Aaron | Raphaël-Aaron Moss | Lighting Designer, Sound Designer | 2009 | 22 | |
| Motz, Paul | Paul Motz | Lighting Designer, Sound Designer | 1939 | 2 | |
| Mette Swenson, Trine | Trine Mette Swenson (Trine Mette Swenson) | Lighting Designer, Mask Maker | 1989 - 1997 | 154 | |
| Mansourian, Henrik | Henrik Mansourian (Henrik Mansourian) | Lighting Designer | 2007 | 1 | |
| Marsh, Elliott | Elliott Marsh (Elliott Marsh) | Lighting Designer | 2008 | 1 | |
| Matzkanin, Mark | Mark Matzkanin (Mark Matzkanin) | Lighting Designer | 1990 - 2007 | 2 | |
| McGrath, Ian | Ian McGrath (Ian McGrath) | Lighting Designer | 1982 | 1 | |
| Murakami, Miyuki | Miyuki Murakami (Miyuki Murakami) | Lighting Designer | 2007 - 2009 | 6 | |
| Murray, Rupert | Rupert Murray (Rupert Murray) | Lighting Designer | 1984 - 1993 | 2 | |
| MacHugh, Tina | Tina MacHugh (Tina MacHugh) | Lighting Designer | 1990 - 2000 | 13 | |
| McIntyre, Deirdre | Deirdre McIntyre (Deirdre McIntyre) | Lighting Designer | 1960 | 1 | |
| Maldonado, Alberto | Alberto Maldonado (Alberto Maldonado) | Lighting Designer | 1985 | 1 | |
| Mintzer, William | William Mintzer (William Mintzer) | Lighting Designer | 1971 | 1 | |
| Marrer, Meghan | Meghan Marrer (Meghan Marrer) | Lighting Designer | 2006 | 1 | |
| McCaw, Robert | Robert McCaw (Robert McCaw) | Lighting Designer | 1964 | 1 | |
| McNulty, Finnuala | Finnuala McNulty (Finnuala McNulty) | Lighting Designer | 2001 - 2008 | 14 | |
| Mützel-Schumann, Reinhard | Reinhard Mützel-Schumann (Reinhard Mützel-Schumann) | Lighting Designer | 2001 | 1 | |
| MacLeod, Charles R. | Charles R. MacLeod (Charles R. MacLeod) | Lighting Designer | 2005 | 1 | |
| Mills, Simon | Simon Mills (Simon Mills) | Lighting Designer | 1994 | 1 | |
| MacDevitt, Brian | Brian MacDevitt (Brian MacDevitt) | Lighting Designer | 1993 | 1 | |
| Morris, Dean | Dean Morris (Dean Morris) | Lighting Designer | 1991 | 1 | |
| Montevecchi, Ferdinando | Ferdinando Montevecchi (Ferdinando Montevecchi) | Lighting Designer | 2005 | 1 | |
| Massaro, Mitch | Mitch Massaro (Mitch Massaro) | Lighting Designer | 2004 | 1 | |
| Munroe, John | John Munroe (John Munroe) | Lighting Designer | 1981 - 2004 | 2 | |
| Morgan, Jackie | Jackie Morgan (Jackie Morgan) | Lighting Designer | 1984 | 1 | |
| Montenegro, Ira | Ira Montenegro (Ira Montenegro) | Lighting Designer | 1988 - 1989 | 4 | |
| Mitle, Max | Max Mitle (Max Mitle) | Lighting Designer | 2004 - 2013 | 3 | |
| Mikkola, Juhani | Juhani Mikkola (Juhani Mikkola) | Lighting Designer | 1981 - 1995 | 2 | |
| Myren, Eivind | Eivind Myren (Eivind Myren) | Lighting Designer | 2010 - 2020 | 60 | |
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