| Ortiz, Esperanza | Esperanza Ortiz | Actor | 1928 | 9 | |
| Oliver, Stephen | Stephen Oliver | Composer | 1977 - 1982 | 9 | |
| Orcier, Sylvie | Sylvie Orcier | Designer | 2004 - 2005 | 9 | |
| Ottersen, Kyrre, Eikås | Kyrre Eikås Ottersen | Actor | 2016 | 9 | |
| Obregon, Gustavo | Gustavo Obregon | Actor | 2009 | 9 | |
| Olsen, Augusta, | Augusta Olsen | Actor | 1907 | 10 | |
| Ottzenn, Paula, | Paula Ottzenn | Actor | 1919 - 1936 | 10 | |
| Ooms, Richard | Richard Ooms | Actor | 1983 - 2008 | 10 | |
| O'Mahoney, Robert | Robert O'Mahoney | Actor, Author | 1982 - 1991 | 10 | |
| Oakeshott, Owen | Owen Oakeshott | Actor | 2013 - 2014 | 10 | 1 |
| O'Brien, Jackie | Jackie O'Brien | Actor | 2006 | 10 | |
| Olympios, Spyros | Spyros Olympios | Actor, Dancer | 1935 - 1997 | 10 | |
| Olsen, Ragnar | Ragnar Olsen | Translator | 2018 | 10 | |
| Olaussen, Vidar, | Vidar Olaussen | Actor | 1999 - 2006 | 11 | |
| Otterstedt, Lars, | Lars Otterstedt | Actor | 2006 | 11 | |
| Oechslin, Ary | Ary Oechslin | Costume Designer, Designer | 1952 - 1962 | 11 | |
| Otto , Philipp | Philipp Otto | Actor | 2002 - 2016 | 11 | |
| Orella, Francesc | Francesc Orella | Actor | 2007 - 2013 | 11 | |
| O'Brien, Timothy | Timothy O'Brien | Costume Designer, Designer | 1964 - 1996 | 12 | |
| Orlandini, Leo, | Leo Orlandini | Actor | 1892 - 1924 | 12 | |
| Opøien, Lydia, | Lydia Opøien | Actor | 1924 - 2006 | 12 | |
| Obuch, Ladislav | Ladislav Obuch | Translator | 1955 - 2019 | 12 | |
| Oskar, Otto | Otto Oskar | Actor | 1898 - 1916 | 12 | |
| Otto, Thomas | Thomas Otto | Actor | 1983 | 12 | |
| Olesen, Kirsten | Kirsten Olesen | Actor | 1978 - 2012 | 12 | 1 |
| Ott, Friederike | Friederike Ott | Actor | 2014 - 2016 | 12 | |
| Oduwole, Frances | Frances Oduwole | Actor | 2011 | 12 | |
| Oduwole, Andrew | Andrew Oduwole | Actor | 2011 | 12 | |
| Oduwole, Ayo | Ayo Oduwole | Actor | 2011 | 12 | |
| Otto-Körner, Margarethe, | Margarethe Otto-Körner | Actor | 1898 - 1900 | 13 | |
| Oppermann, Heinrich, | Heinrich Oppermann | Actor | 1895 - 1926 | 13 | |
| Orlamundt, Hans, | Hans Orlamundt | Actor | 1877 | 13 | |
| Otis, Elita Proctor, | Elita Proctor Otis | Actor | 1903 | 13 | |
| Onetto, Elvira | Elvira Onetto | Actor | 2009 - 2011 | 13 | |
| Ozier, Laura | Laura Ozier | Mask Maker | 2000 - 2004 | 13 | |
| Okura, Shonosuke, | Shonosuke Okura | Actor | 2005 - 2008 | 14 | |
| Otto, Teo, | Teo Otto | Costume Designer, Designer, Director | 1934 - 1953 | 14 | |
| Olaussen, Gunhild Mathea, | Gunhild Mathea Olaussen | Actor | 1994 - 2000 | 14 | |
| Olstad, Svein, | Svein Olstad | Actor | 1999 - 2013 | 14 | |
| Olausson, Hilde, | Hilde Olausson | Actor, Musician | 1985 - 2015 | 14 | 2 |
| Oskam, Floor | Floor Oskam | Designer | 1991 - 1992 | 14 | |
| Odendahl, Florian | Florian Odendahl | Actor | 2004 | 14 | |
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