| Ottepp, Alexander | Alexander Ottepp | Actor | 1891 | 1 | |
| Otter, Karl | Karl Otter | Actor | 1990 | 1 | |
| Ottersen, Anne Marie, | Anne Marie Ottersen | Actor | 1978 - 2014 | 7 | |
| Ottersen, Kyrre, Eikås | Kyrre Eikås Ottersen | Actor | 2016 | 9 | |
| Otterson, William | William Otterson | Actor | 2009 | 1 | |
| Otterstedt, Lars, | Lars Otterstedt | Actor | 2006 | 11 | |
| Otterström, Birger | Birger Otterström | Actor | 1914 | 1 | |
| Otterström, Ludvig, | Ludvig Otterström | Actor | 1883 - 1884 | 9 | |
| Ottesen, Helle, | Helle Ottesen | Actor | 1975 - 2013 | 7 | |
| Ottesen, Marian Saastad, | Marian Saastad Ottesen | Actor | 2006 - 2020 | 20 | 2 |
| Ottesen, Oscar | Oscar Ottesen | Lighting Designer | 1954 | 4 | |
| Ottesen, Per, | Per Ottesen | Actor | 1992 - 2013 | 36 | |
| Ottesen, Rasmus, | Rasmus Ottesen | Actor | 1902 - 1927 | 18 | |
| Ottesen, Rigmor, | Rigmor Ottesen | Actor | 1992 - 2007 | 32 | |
| Ottesen, Roald | Roald Ottesen | Lighting Designer | 1972 | 1 | |
| Ottesen, Thorbjørn | Thorbjørn Ottesen | Musician | 1993 - 1994 | 2 | |
| Ottl, Petra | Petra Ottl | Actor | 1997 | 1 | |
| Ottlik, Ádám | Ádám Ottlik | Actor | 1996 | 2 | |
| Ottmann, Anna | Anna Ottmann | Actor | 1992 - 2001 | 3 | |
| Ottmann, Victor, | Victor Ottmann | Translator | 1901 | 9 | 1 |
| Ottmar, Aurora Berentsen, | Aurora Berentsen Ottmar | Actor | 2012 | 1 | |
| Ottmay, Georg, | Georg Ottmay | Actor | 1906 - 1914 | 8 | |
| Otto , Frank-Tilmann | Frank-Tilmann Otto | Costume Designer, Designer | 2008 - 2009 | 4 | |
| Otto , Gabriele | Gabriele Otto | Dramaturg | 1992 | 1 | |
| Otto , Max Julian | Max Julian Otto | Designer | 2008 - 2009 | 4 | |
| Otto , Philipp | Philipp Otto | Actor | 2002 - 2016 | 11 | |
| Otto-Körner, Margarethe, | Margarethe Otto-Körner | Actor | 1898 - 1900 | 13 | |
| Otto-Martineck, Rosa, | Rosa Otto-Martineck | Actor | 1876 | 1 | |
| Otto-Morgenstern, Martina, | Martina Otto-Morgenstern | Actor | 1920 - 1921 | 2 | |
| Otto-Osmarr, Lili, | Lili Otto-Osmarr | Actor | 1920 | 2 | |
| Otto, Alex, | Alex Otto | Actor, Director, Playwright | 1898 - 1900 | 21 | |
| Otto, Alexander, | Alexander Otto | Actor, Designer | 1919 | 7 | |
| Otto, Anneliese | Anneliese Otto | Actor | 1966 | 1 | |
| Otto, Annie | Annie Otto | Actor | 1992 | 1 | |
| Otto, Asta | Asta Otto | Actor | 1932 | 1 | |
| Otto, Bailey | Bailey Otto | Designer | 2014 | 1 | |
| Otto, Carsten | Carsten Otto | Actor | 1975 - 1977 | 2 | |
| Otto, Driscoll | Driscoll Otto | Lighting Designer | 2018 | 1 | |
| Otto, Erich, | Erich Otto | Actor | 1920 | 2 | |
| Otto, Eva | Eva Otto | Actor | 1991 | 2 | |
| Otto, Franz | Franz Otto | Actor | 1917 - 1924 | 3 | |
| Otto, Götz | Götz Otto | Actor | 1993 | 1 | |
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