Name  | Functions | Event Dates | Events | Resources | ||
|---|---|---|---|---|---|---|
| Olga Orlova | Actor | 1933 | 1 | |||
| Mara Orlović | Actor | 1933 | 1 | |||
| Milan Orlović | Actor | 1933 | 1 | |||
| Claudia Orlovsky | Choreographer | 1998 | 1 | |||
| Tadeusz Orlowicz | Designer | 1964 | 1 | |||
| Yvonne Orly | Actor | 1935 | 2 | |||
| Helen Ormbee | Actor | 1904 | 1 | |||
| Michael Orme | Director, Producer | 1930 - 1936 | 5 | |||
| Ben Ormerod | Lighting Designer | 1994 - 2007 | 41 | |||
| Nick Ormerod | Designer | 1990 | 1 | 1 | ||
| Claire Ormond | Actor | 1993 | 1 | |||
| Margarethe Ormond | Actor | 1900 - 1901 | 2 | |||
| Eugene Ormonde | Actor | 1900 - 1904 | 4 | |||
| Robert Ormsby | Actor | 1991 | 1 | |||
| Marie Ormset | Actor | 2002 | 3 | |||
| Simona Ornaghi | Lighting Designer | 2018 | 2 | |||
| Gustaf Hiort af Ornäs | Actor | 1956 | 1 | |||
| Robert Ornbo | Lighting Designer | 1978 - 1987 | 2 | 1 | ||
| David Orneallas | Actor | 2011 | 1 | |||
| Otto Ornelli | Choreographer | 1938 | 1 | |||
| Jiří Ornest | Actor | 1988 - 2012 | 2 | |||
| Ota Ornest | Actor | 1946 | 1 | |||
| Margit Orning | Actor | 1931 | 1 | |||
| Brigitte Ornstein | Actor | 1968 | 1 | |||
| Michael Ornstein | Actor | 2000 | 1 | |||
| Tamar Oron | Actor | 2020 | 2 | |||
| Cristian Oroșanu | Conductor | 2012 | 1 | |||
| Helga Orosz | Actor | 2005 | 2 | |||
| Carolina Orozco | Actor | 2022 | 1 | |||
| Hiram Alexander Orozco | Costume Designer | 2016 | 1 | |||
| Alice Orr-Ewing | Actor | 2016 | 1 | |||
| Connie Orr | Actor | 1965 | 1 | |||
| Diane Orr | Actor | 1979 | 1 | |||
| Grace Orr | Actor | 2018 | 1 | |||
| Lynn E. Orr | Designer, Director, Lighting Designer | 1937 | 3 | |||
| Madeleine Orr | Actor | 1970 | 3 | |||
| Terence Orr | Sound Designer | 1975 | 1 | |||
| Rune Orreblad | Actor | 1961 | 1 | |||
| Xenia Orrell | Actor | 1940 | 1 | |||
| Lura Orsborn | Actor | 1928 | 1 | |||
| Elena Orsini | Actor | 2016 - 2017 | 11 | |||
| Luca Orsini | Assistant Director | 2015 | 1 | |||