| McDiarmid, Ian, | Ian McDiarmid | Actor | 1980 - 2011 | 4 | |
| Morris, Wolfe, | Wolfe Morris | Actor | 1982 - 1990 | 2 | |
| Murray, Braham, | Braham Murray | Director | 1999 - 2001 | 2 | |
| McColl, Colin, | Colin McColl | Actor, Director | 1969 - 2017 | 13 | |
| Mithassel, Reinert, | Reinert Mithassel | Director | 1991 | 1 | |
| Mehus, Jon, | Jon Mehus | Actor | 1992 | 1 | |
| Mollestad, Torulf, | Torulf Mollestad | Actor | 1992 | 1 | |
| Myrholdt, Bjørn, | Bjørn Myrholdt | Actor | 1992 - 2020 | 33 | |
| Munch, Trond Peter Stamsø, | Trond Peter Stamsø Munch | Actor | 1992 - 2017 | 12 | |
| Mathiesen, Gurå, | Gurå Mathiesen | Actor, Dramaturg | 1985 - 1999 | 41 | |
| Motzke, Bodil, | Bodil Motzke | Actor | 1993 - 1995 | 6 | |
| Martens, Camilla, | Camilla Martens | Actor, Adaptation, Director | 1993 - 2006 | 3 | |
| Martinsen, Aril, | Aril Martinsen | Actor | 1978 - 1997 | 67 | |
| Matheson, Elisabeth, | Elisabeth Matheson | Actor | 1993 - 2003 | 2 | |
| Musken, Petter, | Petter Musken | Actor | 1993 | 1 | |
| Mahler, Gustav, | Gustav Mahler | Composer | 1979 - 2003 | 10 | |
| Markovic, Kiss, | Kiss Markovic | Costume Designer | 1994 - 1995 | 3 | |
| Manheim, Hæge, | Hæge Manheim | Actor | 1994 - 1998 | 3 | |
| Myhren, Dagne Groven, | Dagne Groven Myhren | Director | 1994 - 1995 | 2 | |
| Myhren, Eilev Groven, | Eilev Groven Myhren | Actor, Lighting Designer | 1988 - 1995 | 4 | |
| Myhre, Bård, | Bård Myhre | Actor | 1994 - 1995 | 2 | |
| Mauseth, Gørild, | Gørild Mauseth | Actor | 1994 - 2003 | 25 | |
| Mathisen, Leon, | Leon Mathisen | Actor | 1995 | 1 | |
| Moe, Ole Henrik, | Ole Henrik Moe | Composer | 1996 - 2006 | 2 | |
| Myhre, Torhild Ø., | Torhild Ø. Myhre (Torhild Ø. Myhre) | Actor | 1996 - 2004 | 14 | |
| Meling, Audun, | Audun Meling | Actor | 1983 - 1997 | 14 | |
| Mantor, Ingjerd Oda, | Ingjerd Oda Mantor | Actor | 1997 | 1 | |
| Mo, Kristianne, | Kristianne Mo | Actor, Dancer | 1997 | 35 | |
| Moe, Kjærand, | Kjærand Moe | Actor | 1998 | 1 | |
| Martinsen, Mette, | Mette Martinsen | Actor | 1998 | 2 | |
| Myrtvedt, Olav, | Olav Myrtvedt | Costume Designer, Designer | 1988 - 2020 | 35 | |
| Melin, Anna-Lena, | Anna-Lena Melin | Mask Maker | 1999 | 1 | |
| Mittet, Hans Marius Hoff, | Hans Marius Hoff Mittet | Actor | 1999 - 2019 | 13 | |
| Moe, Anneli, | Anneli Moe | Actor | 1999 - 2000 | 6 | |
| Madshus, Marie, | Marie Madshus | Actor | 1999 - 2000 | 4 | |
| Morstad, Geir, | Geir Morstad | Actor | 1979 - 1999 | 3 | |
| Moan, Bjørn, | Bjørn Moan | Actor | 2000 - 2014 | 3 | |
| Mosvold, Håkon, | Håkon Mosvold | Actor | 2000 | 1 | |
| Mungai, Teri Njeri, | Teri Njeri Mungai | Actor | 2001 | 2 | |
| Meynell, Eleanor, | Eleanor Meynell | Actor | 2001 | 5 | |
| MacIntyre, Stuart, | Stuart MacIntyre | Actor | 2001 | 5 | |
| Maaland, Simon Andreas, | Simon Andreas Maaland | Actor | 2001 | 1 | |
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