| Ötvös, Kinga | Kinga Ötvös | Actor | 2019 | 1 | |
| Ödmann, Joel | Joel Ödmann | Actor | 2018 | 1 | |
| Örs, Emre | Emre Örs (Emre Ors) | Dramaturg | 2017 | 1 | |
| Özdil, Bülent | Bülent Özdil | Actor | 2017 | 5 | |
| Ötvös, András | András Ötvös | Actor | 2013 | 1 | |
| Öztürk, Zuhal | Zuhal Öztürk | Actor | 2013 | 7 | |
| Ögüt , Yılmaz | Yılmaz Ögüt (Yilmaz Ogut) | Translator | 2012 – 2013 | 1 | |
| Özcan, Ilknur | Ilknur Özcan | Actor | 2011 – 2013 | 2 | |
| Özdemir, Sengül | Sengül Özdemir | Actor | 2010 | 16 | 2 |
| Özdil, Deniz | Deniz Özdil | Actor | 2010 | 1 | |
| Ördög, Tamás | Tamás Ördög | Actor, Adaptation, Director | 2009 – 2016 | 20 | 2 |
| Öhlund, Nils | Nils Öhlund | Adaptation, Director, Translator | 2009 – 2010 | 9 | |
| Özuzun, Murat | Murat Özuzun | Lighting Designer | 2009 | 1 | |
| Özman, Esen | Esen Özman | Actor | 2008 – 2009 | 1 | |
| Özcan, Reha | Reha Özcan | Actor | 2008 – 2009 | 1 | |
| Öhman, Steina | Steina Öhman | Actor, Adaptation, Choreographer | 2008 | 6 | |
| Örn , Heikki | Heikki Örn | Lighting Designer | 2008 | 1 | |
| Östh, Mattias | Mattias Östh | Actor | 2008 | 1 | |
| Özer, Harun | Harun Özer (Harun Ozer) | Actor | 2007 – 2008 | 1 | |
| Öfverberg, Ann-Sofie | Ann-Sofie Öfverberg | Actor | 2003 | 2 | |
| Önder, Cem | Cem Önder | Actor | 2001 | 1 | |
| Örndahl, Cita | Cita Örndahl | Actor | 2001 | 4 | |
| Öqvist, Jan, | Jan Öqvist | Designer, Lighting Designer | 2000 – 2008 | 4 | |
| Öbrink, Andreas, | Andreas Öbrink | Actor | 1999 | 1 | |
| Öqvist, Roger | Roger Öqvist | Actor | 1997 | 3 | |
| Öbom, Anette | Anette Öbom | Actor | 1997 | 1 | |
| Östergren, Niclas | Niclas Östergren | Actor | 1997 | 4 | |
| Östergren, Lise Lotte | Lise Lotte Östergren | Actor | 1997 | 1 | |
| Östergren, Benno | Benno Östergren | Actor | 1997 | 3 | |
| Örkényi, Éva | Éva Örkényi | Actor | 1996 | 1 | |
| Örn, Hasse | Hasse Örn | Musician | 1995 – 1996 | 4 | |
| Örnmarker, Karin | Karin Örnmarker | Actor | 1991 | 2 | |
| Öztürk, Özdemir | Özdemir Öztürk | Actor | 1990 | 1 | |
| Östergren, Pernilla | Pernilla Östergren | Actor | 1989 – 1998 | 5 | |
| Ölveczky, Cecilia | Cecilia Ölveczky | Dramaturg | 1989 | 1 | |
| Östergren, Klas, | Klas Östergren | Translator | 1988 – 2020 | 167 | |
| Özer, Gülhan | Gülhan Özer (Gulhan Ozer) | Designer | 1987 – 1988 | 1 | |
| Özkönü, Nurettin | Özkönü, Nurettin (Nurettin Ozkonu) | Designer | 1982 – 1983 | 1 | |
| Özakyol, Nuri | Nuri Özakyol (Nuri Ozakyol) | Conductor | 1981 – 1982 | 1 | |
| Öktem, Güven | Güven Öktem (Guven Oktem) | Designer | 1981 – 1982 | 1 | |
| Ödemo, Gun | Gun Ödemo | Actor | 1979 | 1 | |
| Özakyol, Nuri | Nuri Özakyol | Lighting Designer | 1975 – 1982 | 2 | |
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