| Name | Functions | Event Dates  | Events | Resources | ||
|---|---|---|---|---|---|---|
| Tordis Ødbehr | 5 | |||||
| Einar Øverenget | 1 | |||||
| Roar Øhlander | 1 | |||||
| Ragnhild Østerby | Actor | 1925 | 1 | |||
| Arne Øfstie | Actor | 1928 | 1 | |||
| Øivind Øien | Actor | 1930 | 1 | |||
| Øyvind Øien | Actor | 1934 | 1 | |||
| Øyvind Øyen | Actor, Dancer | 1936 - 2006 | 41 | |||
| Karl Aagaard Østvig | Director | 1940 | 1 | |||
| Ørnulf Øyseth | Choreographer | 1945 - 1946 | 2 | |||
| Jens Østerholm | Actor | 1957 - 1993 | 6 | |||
| Knut Ørvig | Actor | 1958 - 1984 | 254 | |||
| Ulla Østergaard | Actor | 1959 | 1 | |||
| Erik Øksnes | Actor | 1960 - 1995 | 12 | |||
| Solveig Østergaard | Dancer | 1961 | 1 | |||
| Torill Øyen | Actor | 1969 - 1976 | 115 | |||
| Gard Øyen | Actor, Dancer | 1969 - 2000 | 4 | |||
| Toril Øyen | Actor | 1970 | 1 | |||
| Per Anders Øien | Actor, Musician | 1971 - 1978 | 45 | |||
| Julie Øksnes | Actor | 1972 - 2003 | 4 | |||
| Gunvor Øfsti | Actor | 1973 | 1 | |||
| Nette Ørnbak | Costume Designer | 1977 | 1 | |||
| Jardar Øyen | Producer | 1978 | 2 | |||
| Tale Øien | Actor | 1978 | 1 | |||
| Marit Østbye | Actor | 1978 - 2022 | 326 | |||
| Pål Øverland | Actor, Director | 1979 - 2013 | 17 | |||
| Søren Østergaard | Actor | 1980 | 1 | |||
| Svein Østvik | Actor | 1981 | 1 | |||
| Olga-Helene Øverby | Actor | 1981 | 1 | |||
| Terje Østbye | Musician | 1983 | 1 | |||
| Hugo Øster Bendtsen | Actor | 1983 - 1990 | 2 | |||
| Lars Øyno | Actor, Adaptation, Director | 1984 - 2021 | 57 | 5 | ||
| Trine Øien | Actor | 1985 - 1997 | 3 | |||
| Nils Økland | Actor, Composer | 1985 - 2019 | 11 | |||
| Ola Ødegaarden | Actor | 1989 - 1998 | 10 | |||
| Thale Ingvild Øfsteng | Actor | 1989 - 1999 | 20 | |||
| Morten Øberg | Musician | 1990 | 1 | |||
| Kari Østeraas | Musician | 1990 - 1991 | 2 | |||
| Åse Østeraas | Musician | 1990 - 1991 | 2 | |||
| Kalle Øby | Actor | 1990 - 1997 | 2 | |||
| Ingrid Øfsteng | Actor | 1990 - 2000 | 14 | |||
| Marie Øiberg | Actor | 1991 | 2 | |||