| Magida, Lennie | Lennie Magida | Producer | 2021 | 1 | |
| Massa, Marvic | Marvic Massa | Producer | 2024 | 1 | |
| Mills, Joy Caroline | Joy Caroline Mills | Producer | 2024 | 1 | |
| Mauer, Lubo | Lubo Mauer | Producer, Translator | 1975 - 1976 | 4 | 1 |
| Macadoux, Justine | Justine Macadoux | Puppet Designer | 2016 | 1 | |
| Matrakoska, Natalija | Natalija Matrakoska (Наталија Матракоска) | Set Designer | 2022 | 1 | |
| Meier, Charles T. | Charles T. Meier | Set Designer | 2022 | 1 | |
| Moragas, Miquel | Miquel Moragas | Set Designer | 1903 - 1906 | 2 | |
| Mercier, Skip | Skip Mercier | Set Designer | 2018 | 1 | |
| McInnis, Morgan | Morgan McInnis | Set Designer | 2023 | 1 | |
| Miu, Maria | Maria Miu | Set Designer | 2024 | 1 | |
| McGettigan, Ryan | Ryan McGettigan | Set Designer | 2021 | 1 | |
| McIntosh, Chase | Chase McIntosh | Set Designer | 2021 | 1 | |
| Moretti, Romualdo | Romualdo Moretti | Set Designer | 2024 | 2 | |
| Manor, Niv | Niv Manor | Set Designer | 2024 | 1 | |
| Mukunthan, Dasha | Dasha Mukunthan | Set Designer | 2024 | 1 | |
| Magić, Vanja | Vanja Magić | Set Designer | 2024 | 1 | |
| 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 | |
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