Name  | Functions | Event Dates | Events | Resources | ||
|---|---|---|---|---|---|---|
| Heinz Opfinger | Actor | 1990 - 1991 | 2 | |||
| Alen Opgaard | Designer | 1939 | 1 | |||
| Carleton Opgaard | Actor | 1939 | 1 | |||
| Gustav Opgaard | Designer | 1939 | 1 | |||
| John Opgaard | Actor, Designer | 1939 | 2 | |||
| Rosella Opgaard | Actor | 1939 | 1 | |||
| Vivian Opgaard | Actor | 1939 | 1 | |||
| Erna Ophaug | Sound Designer | 1953 - 2006 | 4 | |||
| Lea Basch Opheim | Actor | 2009 - 2011 | 3 | |||
| Michael Ophelders | Actor | 2012 | 1 | |||
| Klaus Opilik | Director | 2011 | 1 | |||
| E. Opitz | Actor | 1990 | 1 | |||
| Felicitas Opitz | Actor | 1918 - 1919 | 2 | |||
| Gerd Opitz | Actor | 1988 | 1 | |||
| Gustav Opočenský | Actor | 1969 | 1 | |||
| Nicholas Opolski | Actor | 1983 | 1 | |||
| Lydia Opøien | Actor | 1923 - 2006 | 13 | 1 | ||
| Georg Oppel | Actor | 1893 - 1926 | 9 | |||
| Günther Oppel | Actor | 1938 | 1 | |||
| Heinrich Oppel | Actor | 1889 | 2 | |||
| Marette Oppenberg | Costume Designer | 2003 | 2 | 1 | ||
| Sonja Oppenhagen | Actor | 1982 - 1993 | 4 | 1 | ||
| Antoine Oppenheim | Director | 2017 | 1 | |||
| Yoni Oppenheim | Director, Producer | 2011 | 2 | 1 | ||
| Albert M. Oppenheimer | Actor | 1931 | 2 | |||
| Ray Oppenheimer | Lighting Designer | 2024 | 1 | |||
| CJ Oppermam | Actor | 2013 | 1 | |||
| Heinrich Oppermann | Actor | 1895 - 1925 | 13 | |||
| Leonore Oppermann | Actor | 1919 - 1922 | 3 | |||
| Peter Oppermann | Dramaturg | 2000 | 1 | |||
| Knut Opperud | Designer | 1994 | 1 | |||
| Frk. Oppi | Actor | 1941 | 1 | |||
| Giulio Oppi | Actor | 1948 - 1949 | 2 | |||
| Hans Oppliger | Actor | 1986 | 1 | |||
| Mr. Oppmar | Actor | 1879 | 1 | |||
| Jiří Opřátko | Actor | 1965 | 1 | |||
| Arve Opsahl | Actor | 1958 | 1 | |||
| Kristina Opsahl | Actor | 2004 - 2006 | 6 | |||
| Linda Opsahl | Actor | 2002 | 2 | 1 | ||
| Svein Eirik Opsahl | Actor | 1956 | 2 | |||
| Aksel Opsann | Actor | 1900 - 1928 | 66 | |||
| Bart Opsomer | Actor | 2001 | 1 | |||