Name  | Functions | Event Dates | Events | Resources | ||
|---|---|---|---|---|---|---|
| Horst Oberländer | Actor | 1949 | 1 | |||
| Heinrich Oberländer | Actor | 1891 | 1 | |||
| Hans Oberländer | Director | 1904 - 1908 | 2 | |||
| David Oberkogler | Actor | 2000 | 1 | |||
| Cornelia Oberkogler | Actor | 1959 | 1 | |||
| Dieter Oberholz | Actor | 1993 - 2004 | 3 | |||
| - Oberhofer | Actor | 1906 | 1 | |||
| Valerie Oberhof | Actor | 2002 - 2012 | 6 | |||
| Johannes Oberhof | Actor | 1972 | 2 | |||
| Alex Oberheide | Actor | 2008 | 1 | |||
| Frank Oberhäußer | Assistant Director | 2006 | 1 | |||
| Kendra Oberhauser | Actor | 2012 | 1 | |||
| Thomas Oberender | Dramaturg | 2003 - 2004 | 6 | |||
| Frej Obenius | Sound Designer | 2015 | 1 | |||
| Mala Obendorf | Actor | 1928 | 1 | |||
| Lujo Obendorf | Costume Designer | 1952 | 1 | |||
| Aras Obed | ||||||
| Machiko Obata | Musician | 1993 | 1 | |||
| Makoto Obara | Sound Designer | 1990 | 1 | |||
| Carl Oatley | Actor | 1975 | 1 | |||
| Cicely Oates | Actor | 1930 | 3 | |||
| Charlie Oates | Director | 2018 | 1 | |||
| James Oaten | Actor | 2008 | 1 | |||
| Gordon Oasheim | Actor | 1951 | 1 | |||
| Sibylla Oarcea | Actor | 1972 | 4 | |||
| Tú Oanh | Actor | 2006 - 2010 | 2 | |||
| Martin Oakley | Lighting Designer | 2021 | 1 | |||
| Ann Oakley | Director | 2000 | 1 | |||
| Donovan Oakleaf | Actor | 2018 | 1 | |||
| W. F. Oakeshott | Actor | 1925 | 1 | |||
| Owen Oakeshott | Actor | 2013 - 2014 | 11 | 1 | ||
| Tom Oakes | Actor | 2004 | 1 | |||
| Simeon Oakes | Actor | 2012 | 1 | |||
| Robert Oakes | Adaptation | 2009 | 1 | |||
| Andrew Oakes | Actor | 2016 | 1 | |||
| Jane Oaker | Actor | 1904 | 1 | |||
| Fingal Oakenleaf | Actor | 2008 | 1 | |||
| Girija Oak | Translator | 2009 | 1 | |||
| Hilary O’Shaughnessy | Actor | 2011 | 2 | |||
| Mark O’Rowe | Adaptation, Director | 2015 - 2023 | 2 | |||
| Rylee O’Rourke | Assistant Director, Producer | 2020 - 2022 | 2 | |||
| Rachel O’Riordan | Director | 2019 - 2020 | 2 | |||