| Marcussen, Roy | Roy Marcussen | Actor | 1985 - 1986 | 3 | |
| Meréus, Leif | Leif Meréus | Costume Designer, Designer | 1979 - 1990 | 3 | |
| Marstrander, Mona | Mona Marstrander | Designer | 1994 | 1 | |
| Myurtveit, Ingrid | Ingrid Myurtveit | Actor | 1994 | 1 | |
| Mathisen, Gørli | Gørli Mathisen | Actor | 1971 - 2000 | 13 | |
| Meirik, Hans Petter | Hans Petter Meirik | Actor | 1976 - 1993 | 4 | |
| Madshus, Harald | Harald Madshus | Actor | 1989 - 2007 | 27 | |
| Meren, Turid | Turid Meren | Actor | 1989 - 1998 | 13 | |
| Maret, Jean-Claude | Jean-Claude Maret | Costume Designer, Designer | 1986 - 2012 | 7 | |
| Meling, Svein | Svein Meling | Lighting Designer | 1986 - 1992 | 3 | |
| Morkel, Kjell | Kjell Morkel | Actor | 1960 - 1992 | 65 | |
| Marthinsen, Harald | Harald Marthinsen | Designer | 1946 | 1 | |
| McCabe, Stephen | Stephen McCabe | Designer | 1983 | 1 | |
| Morris, Wolfe | Wolfe Morris | Actor | 1982 - 1990 | 2 | |
| Mehus, Jon | Jon Mehus | Actor | 1992 | 1 | |
| Mollestad, Torulf | Torulf Mollestad | Actor | 1992 | 1 | |
| Myrholdt, Bjørn | Bjørn Myrholdt | Actor | 1992 - 2020 | 33 | |
| Mathiesen, Gurå | Gurå Mathiesen | Actor, Dramaturg | 1985 - 1999 | 41 | |
| Motzke, Bodil | Bodil Motzke | Actor | 1993 - 1995 | 6 | |
| Musken, Petter | Petter Musken | Actor | 1993 | 1 | |
| Markovic, Kiss | Kiss Markovic | Costume Designer | 1994 - 1995 | 3 | |
| Myhren, Eilev Groven | Eilev Groven Myhren | Actor, Lighting Designer | 1988 - 1995 | 4 | |
| Myhre, Bård | Bård Myhre | Actor | 1994 - 1995 | 2 | |
| Mathisen, Leon | Leon Mathisen | Actor | 1995 | 1 | |
| Moe, Ole Henrik | Ole Henrik Moe | Composer | 1996 - 2006 | 2 | |
| Myhre, Torhild Ø. | Torhild Ø. Myhre | Actor | 1996 - 2004 | 14 | |
| Mantor, Ingjerd Oda | Ingjerd Oda Mantor | Actor | 1997 | 1 | |
| Moe, Kjærand | Kjærand Moe | Actor | 1998 | 1 | |
| Martinsen, Mette | Mette Martinsen | Actor | 1998 | 2 | |
| 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 | |
| Mathisen, Brigitte | Brigitte Mathisen | Choreographer, Costume Designer | 2002 | 2 | |
| Monsrud, Anne Marie | Anne Marie Monsrud | Actor | 2002 | 2 | |
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