| Odzhakova, Jurija, | Jurija Odzhakova | Actor | 1910 | 1 | |
| Ostrowska, Franciszka, | Franciszka Ostrowska | Actor | 1910 - 1911 | 2 | |
| Olram, Gunnar, | Gunnar Olram | Actor | 1943 - 2006 | 185 | |
| Ousdal, Bodil, | Bodil Ousdal | Choreographer | 1985 | 6 | |
| Orbakk, Dag Eirik, | Dag Eirik Orbakk | Actor | 1985 | 2 | |
| Opperud, Knut, | Knut Opperud | Designer | 1994 | 1 | |
| Ottesen, Marian Saastad, | Marian Saastad Ottesen | Actor | 2006 - 2019 | 8 | |
| Otnes, Ola, | Ola Otnes | Actor | 1981 - 2018 | 122 | |
| Onstad, Kari, | Kari Onstad | Actor | 1976 - 2018 | 60 | |
| Olason, Ragnar, | Ragnar Olason | Actor | 1956 - 1973 | 48 | |
| Osjord, Elin, | Elin Osjord | Actor | 1991 | 1 | |
| Ottesen, Rigmor, | Rigmor Ottesen | Actor | 1992 - 2007 | 18 | |
| Ottesen, Per, | Per Ottesen | Actor | 1992 - 2013 | 20 | |
| Osa, Liv Bernhoft, | Liv Bernhoft Osa | Actor | 1993 - 2014 | 8 | |
| Omland, Marit Pedersen, | Marit Pedersen Omland | Actor | 1993 | 6 | |
| Ones, Arvid, | Arvid Ones | Actor, Director | 1983 - 2004 | 18 | |
| Ousdal, Mads, | Mads Ousdal | Actor | 1993 - 2018 | 19 | |
| O'Neill, Dean, | Dean O'Neill | Actor | 1993 - 1994 | 1 | |
| O'Keeffe, Lorraine, | Lorraine O'Keeffe | Actor | 1993 - 1994 | 1 | |
| Olaussen, Gunhild Mathea, | Gunhild Mathea Olaussen | Actor | 1994 - 2000 | 8 | |
| Olsen, Ragnar, | Ragnar Olsen | Adaptation, Translator | 1994 - 2015 | 48 | |
| Ottersen, Anne Marie, | Anne Marie Ottersen | Actor | 1978 - 2014 | 7 | |
| Olsen, Mikkel Are, | Mikkel Are Olsen | Actor | 1995 - 2007 | 3 | |
| Opdan, Kristin Aafløy, | Kristin Aafløy Opdan | Actor | 1996 - 2013 | 2 | |
| Omland, Tone, | Tone Omland | Actor | 1996 - 2013 | 2 | |
| Osuldsen, Johan, | Johan Osuldsen | Choreographer | 1998 - 2000 | 3 | |
| Onsaker, Maren K., | Maren K. Onsaker (Maren K. Onsaker) | Actor | 1998 | 1 | |
| Olsen, Anders Schanche, | Anders Schanche Olsen | Actor | 1998 | 1 | |
| Olsen, Linn, | Linn Olsen | Actor | 1999 - 2000 | 2 | |
| Olaussen, Vidar, | Vidar Olaussen | Actor | 1999 - 2006 | 9 | |
| Olstad, Svein, | Svein Olstad | Actor | 1999 - 2013 | 13 | |
| Opdal, Karina, | Karina Opdal | Actor | 2000 | 1 | |
| Olstad, Even, | Even Olstad | Actor | 2000 - 2016 | 15 | |
| Olsen, Lillian, | Lillian Olsen | Costume Designer | 2000 | 7 | |
| Ormset, Marie, | Marie Ormset | Actor | 2002 | 3 | |
| Odden, Elise Brunstad, | Elise Brunstad Odden | Actor | 2002 | 2 | |
| Offord, Sverre, | Sverre Offord | Actor | 2002 | 2 | |
| Offord, Hilde Svennevig, | Hilde Svennevig Offord | Actor | 2002 - 2007 | 3 | |
| Opsahl, Linda, | Linda Opsahl | Actor | 2002 | 2 | |
| Otnes, Simen M., | Simen M. Otnes (Simen M. Otnes) | Actor | 2003 | 1 | |
| Opsahl, Kristina, | Kristina Opsahl | Actor | 2004 - 2006 | 3 | |
| Ohlsson, Monica, | Monica Ohlsson | Dramaturg, Translator | 2005 - 2009 | 8 | |
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Contributors
