| Oktav, Burcu | Burcu Oktav | Actor | 2017 | 1 | |
| Okraska, Paweł | Paweł Okraska | Actor | 1999 | 1 | |
| Okpokwasili, Okwui | Okwui Okpokwasili | Actor | 2003 - 2010 | 3 | |
| Okoro, Nija | Nija Okoro | Actor | 2017 | 1 | |
| Okornicki, Kazimierz | Kazimierz Okornicki | Actor, Director | 1908 - 1922 | 7 | |
| Okornicka (Miłosz), Helena | Helena Okornicka (Miłosz) | Actor | 1916 | 1 | |
| Okopiński, Marek | Marek Okopiński | Actor | 1958 | 1 | |
| Okonkwo, Noble | Noble Okonkwo | Actor | 2019 | 1 | |
| Okoli, Ngozi | Ngozi Okoli | Actor | 2002 | 1 | |
| Okkola, Helena | Helena Okkola | Actor | 1998 | 3 | |
| Okking, Jens | Jens Okking | Actor | 1979 - 1984 | 4 | |
| Okkerse, Nico | Nico Okkerse | Actor | 1987 | 1 | |
| Okito, Takashi | Takashi Okito | Actor | 2016 - 2018 | 4 | |
| Okhlupin, Igor | Igor Okhlupin (Игорь Охлупин) | Actor | 2013 | 1 | |
| Okazaki, Tomomi | Tomomi Okazaki | Actor | 1967 | 1 | |
| Okazaki, Shinobu | Shinobu Okazaki | Designer | 1991 | 1 | |
| Okazaki, Satsuki | Satsuki Okazaki | Actor | 2017 | 4 | |
| Okazaki, Koji | Koji Okazaki | Designer | 1999 | 1 | |
| Okazaki, Kazuhiko | Kazuhiko Okazaki | Actor | 2002 | 1 | |
| Okano, Kazuo | Kazuo Okano | Translator | 1959 | 1 | |
| Okamura, Fumio | Fumio Okamura | Actor | 1923 | 1 | |
| Okamura, Akemi | Akemi Okamura | Dramaturg | 2013 | 1 | |
| Okamoto, Kennichi | Kennichi Okamoto | Actor | 1990 | 1 | |
| Okakura, Shiro | Shiro Okakura | Director | 1953 | 1 | |
| Okajima, Yuki | Yuki Okajima | Lighting Designer | 2014 | 1 | |
| Okafor, Stella O | Stella O Okafor | Dancer | 2002 | 1 | |
| Okafor, Stella C | Stella C Okafor | Dancer | 2002 | 1 | |
| Okafor, Stella | Stella Okafor | Lighting Designer | 2009 | 1 | |
| Okafor, Kosy | Kosy Okafor | Actor | 2002 | 1 | |
| Okafor, Barnabas | Barnabas Okafor | Actor | 2002 | 1 | |
| Okafor, Amaka | Amaka Okafor | Actor | 2020 | 1 | |
| Okadigwe, Mary | Mary Okadigwe | Actor | 2002 | 1 | |
| Okada, Yu | Yu Okada | Sound Designer | 2009 | 1 | |
| Okada, Yoshihiro | Yoshihiro Okada | Actor | 1999 - 2006 | 2 | |
| Okada, Yoko | Yoko Okada | Actor | 1997 | 1 | |
| Okada, Shu | Shu Okada | Actor | 1936 | 1 | |
| Okada, Saburonosuke | Saburonosuke Okada | Designer | 1909 | 1 | |
| Okada, Kazuo | Kazuo Okada | Director, Musical Director | 1969 - 1978 | 2 | |
| Okada, Inosuke | Inosuke Okada | Lighting Designer | 1934 | 1 | |
| Okada, Ai | Ai Okada | Actor | 1998 | 1 | |
| Oka, Mizuho | Mizuho Oka | Actor | 1928 | 1 | |
| Ojrzyńska, Marta | Marta Ojrzyńska | Actor | 2011 | 1 | |
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