| Name | Functions | Event Dates | Events  | Resources | ||
|---|---|---|---|---|---|---|
| Nicolas Oubraham | ||||||
| Gertrude Obzyna | ||||||
| Het Oranjehotel | ||||||
| Kry ova | ||||||
| Luk! ov! | ||||||
| Olga Ovtsjinnikova | ||||||
| Edyta Olszówka | ||||||
| Aune Ollila | ||||||
| Aras Obed | ||||||
| A. Obuhov | ||||||
| Antonio Ole | 1 | |||||
| Lena Obst | 5 | |||||
| Craig OʼRegan | 3 | |||||
| Alireza Oliai | ||||||
| Monica Ohlson | 1 | |||||
| Pierre Oudrey | Actor | 1973 | 1 | |||
| Kunio Ohgitani | Director | 1980 | 1 | |||
| Joseph Olney | Actor | 1938 | 1 | |||
| E A Ozerova | Actor | 1907 | 1 | |||
| Nicholas Orloff | Actor | 1908 | 1 | 1 | ||
| Bahram Osmanov | Director | 2006 | 1 | |||
| Kikuyo Ohmori | Actor | 1993 | 1 | |||
| Åke Ohberg | Actor | 1954 | 1 | |||
| Cornelia Oberkogler | Actor | 1959 | 1 | 1 | ||
| Irena Oberska | Actor | 1958 | 1 | |||
| Ditta Oesch | Actor | 1944 | 1 | |||
| Marcus Off | Actor | 2002 | 1 | 1 | ||
| Makoto Ogasawara | Sound Designer | 1997 | 1 | |||
| Kathrine Ogletree | Costume Designer | 2003 | 1 | |||
| Jonas Ohlin | Actor | 1999 | 1 | |||
| Shinobu Ohtake | Actor | 1991 | 1 | |||
| Mizuho Oka | Actor | 1928 | 1 | |||
| Marek Okopiński | Actor | 1958 | 1 | |||
| Paweł Okraska | Actor | 1999 | 1 | |||
| Stian Olderkjær | Actor | 2006 | 1 | |||
| César Olivar | Costume Designer | 2004 | 1 | 1 | ||
| Aage Olschansky | Actor | 1981 | 1 | |||
| Zsuzsanna Ongjerth | Actor | 1960 | 1 | |||
| Masutaro Ono | Actor | 1913 | 1 | |||
| Mizuho Ono | Actor | 1997 | 1 | |||
| Lisa Orberg | Actor | 1974 | 1 | |||
| Sarah Orenstein | Actor | 2004 | 1 | 1 | ||