| Name | Functions | Event Dates | Events  | Resources | ||
|---|---|---|---|---|---|---|
| Nils Ole Oftebro | Actor | 1970 - 2018 | 92 | 1 | ||
| Frédéric Ozier | Actor | 2000 - 2018 | 93 | |||
| Inga Olsen | Actor | 1877 - 1908 | 101 | 1 | ||
| August Oddvar | Actor | 1900 - 1954 | 108 | 1 | ||
| Thomas Oikonomou | Actor, Director | 1902 - 1926 | 121 | |||
| Ola Otnes | Actor | 1981 - 2020 | 128 | 3 | ||
| Peder Opstad | Actor, Adaptation, Director, Producer | 2005 - 2010 | 183 | |||
| Gunnar Olram | Actor | 1943 - 2006 | 187 | 1 | ||
| Thomas Ostermeier | Adaptation, Director, Translator | 2002 - 2024 | 234 | |||