| Miller, Ellie | Ellie Miller | Stage Manager | 2025 | 1 | |
| Mathes, Weronika | Weronika Mathes | Stage Manager | 2020 | 2 | |
| Melton, Elizabeth | Elizabeth Melton | Stage Manager | 2025 | 1 | |
| Mingo, Bernardo | Bernardo Mingo | Special Effects | 1972 - 1975 | 6 | |
| Mammadov, Sabuhi | Sabuhi Mammadov | Sound Designer | 2006 | 1 | |
| Magrofuoco, Jacques | Jacques Magrofuoco | Sound Designer | 1986 | 2 | |
| Maier, Werner | Werner Maier | Sound Designer | 1974 - 1978 | 2 | |
| Mann, Jack | Jack Mann | Sound Designer | 1982 | 1 | |
| McCoy, Michael | Michael McCoy | Sound Designer | 1992 | 3 | |
| Meyers, William | William Meyers | Sound Designer | 2006 | 1 | |
| Moon, Courtenay | Courtenay Moon | Sound Designer | 2008 | 1 | |
| Mueller, Johannes | Johannes Mueller | Sound Designer | 2006 | 3 | |
| Myers, Scott | Scott Myers | Sound Designer | 1996 - 1997 | 3 | |
| Matthew, Nicky | Nicky Matthew | Sound Designer | 1987 | 1 | |
| Martin, William | William Martin | Sound Designer | 2011 | 1 | |
| Meschter, David | David Meschter | Sound Designer | 2006 | 1 | |
| Madsen, Torkild | Torkild Madsen | Sound Designer | 2011 | 6 | |
| McCardle, Dillon | Dillon McCardle | Sound Designer | 2014 | 1 | |
| Mead, Rod | Rod Mead | Sound Designer | 1979 | 1 | |
| McFadden, Neil | Neil McFadden | Sound Designer | 1995 | 1 | |
| McSeveney, David | David McSeveney | Sound Designer | 2012 - 2016 | 5 | |
| McCann, Reid | Reid McCann | Sound Designer | 2012 | 1 | |
| Martin, Kelly | Kelly Martin | Sound Designer | 2013 | 1 | |
| Müller, Rudolf | Rudolf Müller | Sound Designer | 1992 | 1 | |
| Meyer, Harry | Harry Meyer | Sound Designer | 1993 | 1 | |
| McKenzie, Matt | Matt McKenzie | Sound Designer | 1995 - 1996 | 5 | |
| McPherson, Brian | Brian McPherson | Sound Designer | 2002 | 1 | |
| Mapelli, Claudio | Claudio Mapelli | Sound Designer | 1989 | 2 | |
| Munderloh, Otts | Otts Munderloh | Sound Designer | 2003 | 1 | |
| Marsh, Chas | Chas Marsh | Sound Designer | 2003 | 1 | |
| Maldonado, Manuel | Manuel Maldonado | Sound Designer | 2004 | 2 | |
| McBoyle, Peter | Peter McBoyle | Sound Designer | 2001 | 1 | |
| Musgrave, Lynn | Lynn Musgrave | Sound Designer | 2006 | 1 | |
| Myers, Cricket S. | Cricket S. Myers | Sound Designer | 2006 | 1 | |
| Menke, Rick | Rick Menke | Sound Designer | 2006 | 1 | |
| Miller, Rachael | Rachael Miller | Sound Designer | 2006 | 1 | |
| Makino, Hiromi | Hiromi Makino | Sound Designer | 2007 | 1 | |
| Margolin Lawson, David | David Margolin Lawson | Sound Designer | 2006 | 1 | |
| Moscatiello, Chris | Chris Moscatiello | Sound Designer | 2008 | 1 | |
| McLeod, Alison | Alison McLeod | Sound Designer | 2009 | 1 | |
| Makar, Tom | Tom Makar | Sound Designer | 2009 | 1 | |
| Moran, Buzz | Buzz Moran | Sound Designer | 2010 - 2011 | 2 | |
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