| Olivetti, Alessia | Alessia Olivetti | Actor | 2008 - 2011 | 4 | |
| Olivette, Marcia, Ossei Agyeman | Marcia Ossei Agyeman Olivette | Actor | 2006 | 1 | 4 |
| Oliversen, Stine | Stine Oliversen | Actor | 2009 | 1 | 1 |
| Olivero, Franco | Franco Olivero | Actor | 1986 - 1987 | 3 | |
| Oliverić, Andrijana | Andrijana Oliverić | Actor | 2016 | 1 | |
| Oliveri, Josephyne | Josephyne Oliveri | Actor | 1987 | 2 | |
| Olivere, Marc | Marc Olivere | Lighting Designer | 1992 | 1 | |
| Oliver, Tim | Tim Oliver | Sound Designer | 1994 - 1995 | 3 | |
| Oliver, Stephen | Stephen Oliver | Actor, Composer | 1977 - 2024 | 10 | |
| Oliver, Simon | Simon Oliver | Designer | 2002 | 1 | |
| Oliver, Sarah, M. | Sarah M. Oliver | Costume Designer | 2019 | 1 | |
| Oliver, Olive | Olive Oliver | Actor | 1894 - 1904 | 2 | 1 |
| Oliver, Norman | Norman Oliver | Actor | 1959 | 2 | |
| Oliver, Michael | Michael Oliver | Actor | 2011 | 1 | 1 |
| Oliver, Meagan J. | Meagan J. Oliver | Actor | 2020 | 1 | |
| Oliver, Julie | Julie Oliver | Actor | 2016 | 1 | |
| Oliver, Heather | Heather Oliver | Producer | 2005 | 2 | |
| Oliver, Federico | Federico Oliver | Director | 1902 - 1908 | 5 | |
| Oliver, Elinor | Elinor Oliver | Actor | 1922 | 1 | |
| Oliver, David | David Oliver | Director | 2012 | 1 | 1 |
| Oliver, Barbara | Barbara Oliver | Actor, Director | 2006 - 2010 | 3 | 1 |
| Oliver, Anna | Anna Oliver | Costume Designer | 1999 - 2010 | 3 | |
| Oliveira, Vidal de | Vidal de Oliveira | Translator | 1949 - 1994 | 6 | |
| Oliveira, María Clara | María Clara Oliveira | Actor | 2024 | 1 | |
| Oliveira, Joice | Joice Oliveira | Actor | 1945 | 1 | |
| Oliveira, João, Ricardo Barros | João Ricardo Barros Oliveira | Musical Director, Sound Designer | 2002 - 2021 | 4 | |
| Oliveira, Inês da Cruz | Inês da Cruz Oliveira | Actor | 2023 | 1 | |
| Oliveira, Domingos, José Soares de | Domingos José Soares de Oliveira | Actor, Adaptation, Director, Lighting Designer, Sound Designer, Translator | 1983 - 1998 | 15 | |
| Oliveira, Christian Manuel | Christian Manuel Oliveira | Actor | 2006 - 2007 | 4 | |
| Olive, Edyth | Edyth Olive | Actor | 1906 | 1 | 1 |
| Olivari, Michela | Michela Olivari | Actor | 2018 | 1 | |
| Olivares, Erica | Erica Olivares | Actor | 1976 | 1 | |
| Olivar, Mr | Mr Olivar | Actor | 1900 | 2 | |
| Olivar, César | César Olivar | Costume Designer | 2004 | 1 | 1 |
| Oliva, Petr | Petr Oliva | Actor | 1972 | 1 | |
| Oliva, Mr. | Mr. Oliva | Actor | 1893 | 1 | |
| Olisah, Paul | Paul Olisah | Actor, Designer | 2002 | 2 | |
| Olinger, Thomas | Thomas Olinger | Actor | 1934 | 1 | |
| Olinger, T. Lawrence | T. Lawrence Olinger | Actor | 1932 | 1 | |
| Olinger, Marc | Marc Olinger | Actor | 2003 | 2 | |
| Olinescu, Boris | Boris Olinescu | Actor, Assistant Director | 1959 | 2 | |
| Olin, Vilhelm | Vilhelm Olin | Actor, Director | 1886 - 1919 | 4 | 1 |
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