| Name | Functions  | Event Dates | Events | Resources | ||
|---|---|---|---|---|---|---|
| Ragnhild Østerby | Actor | 1925 | 1 | |||
| Arne Øfstie | Actor | 1928 | 1 | 1 | ||
| Knut Ørvig | Actor | 1958 - 1984 | 254 | 1 | ||
| Torill Øyen | Actor | 1969 - 1976 | 116 | 1 | ||
| Claus Riis Østergaard | Actor | 2009 - 2013 | 2 | |||
| Jens Østerholm | Actor | 1957 - 1993 | 6 | 1 | ||
| Svein Østvik | Actor | 1981 | 1 | |||
| Olga-Helene Øverby | Actor | 1981 | 1 | |||
| Hugo Øster Bendtsen | Actor | 1983 - 1990 | 2 | |||
| Søren Østergaard | Actor | 1980 | 1 | |||
| Jens Ole Ødegården | Actor | 2004 | 38 | |||
| Gunhild Østerås | Actor | 2004 | 6 | |||
| Trude Øines | Actor | 2015 - 2019 | 2 | |||
| Kristoffer Øverby | Actor | 2016 - 2017 | 2 | |||
| Ulla Østergaard | Actor | 1959 | 1 | |||
| Øivind Øien | Actor | 1930 | 1 | |||
| Johanna Øyno | Actor | 2017 - 2020 | 2 | |||
| Anna Øihusom | Actor | 2015 | 4 | |||
| Kasper Ørum | Actor | 2013 | 1 | |||
| Tale Øien | Actor | 1978 | 1 | |||
| Ingunn Beate Øyen | Actor, Adaptation | 1995 - 2024 | 17 | 1 | ||
| Lars Øyno | Actor, Adaptation, Director | 1984 - 2023 | 58 | 6 | ||
| Nils Økland | Actor, Composer | 1985 - 2019 | 11 | |||
| Tammi Øst | Actor, Composer | 2009 - 2014 | 4 | 2 | ||
| Øyvind Øyen | Actor, Dancer | 1934 - 2006 | 42 | 1 | ||
| Gard Øyen | Actor, Dancer | 1969 - 2000 | 4 | 1 | ||
| Pål Øverland | Actor, Director | 1979 - 2013 | 17 | 1 | ||
| Mari Tveit Ødegård | Actor, Lighting Designer | 2009 | 3 | |||
| Per Anders Øien | Actor, Musician | 1971 - 1978 | 45 | |||
| Peer Perez Øian | Adaptation, Director | 2010 - 2014 | 20 | 1 | ||
| Ørnulf Øyseth | Choreographer | 1945 - 1946 | 2 | |||
| Nette Ørnbak | Costume Designer | 1977 | 1 | |||
| Stephan Østensen | Costume Designer, Designer, Lighting Designer | 2002 - 2006 | 26 | 1 | ||
| Jonas Øren | Dancer | 2008 | 3 | |||
| Solveig Østergaard | Dancer | 1961 | 1 | |||
| Line Marie Østerhus | Dancer | 2017 | 1 | |||
| Marit Schade Ødegård | Dancer | 1994 | 4 | |||
| Njål Øwre | Designer | 1991 | 1 | |||
| Tore Østvang | Director | 1995 - 2013 | 3 | |||
| Susanne Øglænd | Director | 2011 | 1 | 1 | ||
| Karl Aagaard Østvig | Director | 1940 | 1 | |||
| Peder Øyen | Lighting Designer | 2013 | 1 | |||