| Olroth-Hackenbroch, Gisela | Gisela Olroth-Hackenbroch | Designer, Director | 2011 | 2 | |
| Oľšavská, Antónia | Antónia Oľšavská | Actor | 2012 | 2 | |
| Olsavszky, Éva | Éva Olsavszky | Actor | 2002 | 1 | |
| Olschak, Jayne | Jayne Olschak | Actor | 2012 | 1 | |
| Olschansky, Aage | Aage Olschansky | Actor | 1981 | 1 | |
| Olschewski , Gerhard | Gerhard Olschewski | Actor | 1990 | 1 | |
| Olschewski, Otto-Richard | Otto-Richard Olschewski | Actor | 1968 | 1 | |
| Olschok, Herbert | Herbert Olschok | Director | 1988 - 2014 | 5 | |
| Olsen , Trygve | Trygve Olsen | Lighting Designer | 1985 - 1987 | 3 | |
| Olsen Rosing, Anna Nuka | Anna Nuka Olsen Rosing | Costume Designer | 2005 | 1 | |
| Olsen, -, | - Olsen | Actor | 1883 | 1 | |
| Olsen, Albert, | Albert Olsen | Actor | 1901 | 6 | |
| Olsen, Anders Schanche, | Anders Schanche Olsen | Actor | 1998 | 1 | |
| Olsen, Arne, H. | Arne H. Olsen | Lighting Designer | 1971 - 1978 | 5 | |
| Olsen, Arne, Thomas | Arne Thomas Olsen | Actor, Director | 1955 - 1963 | 19 | |
| Olsen, Augusta, | Augusta Olsen | Actor | 1907 | 10 | |
| Olsen, Bengt, | Bengt Olsen | Actor | 1898 | 1 | |
| Olsen, Clifford, R. | Clifford R. Olsen | Actor, Director | 1963 | 2 | |
| Olsen, Edgar Meyer | Edgar Meyer Olsen | Sound Designer | 1978 | 2 | |
| Olsen, Elisabeth, | Elisabeth Olsen | Actor | 2006 | 1 | |
| Olsen, Eyvind | Eyvind Olsen | Musician | 1976 | 1 | |
| Olsen, Frk., | Frk. Olsen | Actor | 1874 - 1876 | 5 | |
| Olsen, Gudrun | Gudrun Olsen | Dancer | 1928 | 1 | |
| Olsen, Hanns, | Hanns Olsen | Actor | 1921 - 1931 | 4 | |
| Olsen, Hans, | Hans Olsen | Actor | 1902 - 1903 | 17 | |
| Olsen, Inga, | Inga Olsen | Actor | 1877 - 1908 | 86 | |
| Olsen, Ingunn | Ingunn Olsen | Actor | 1978 | 1 | |
| Olsen, Jens-Anker | Jens-Anker Olsen | Designer | 1954 - 1956 | 2 | |
| Olsen, Julia Stefany, | Julia Stefany Olsen | Actor | 2006 | 1 | |
| Olsen, Karl Gustav | Karl Gustav Olsen | Actor | 1933 | 1 | |
| Olsen, Kathe B., | Kathe B. Olsen (Kathe B. Olsen) | Actor | 2002 | 1 | |
| Olsen, Kim, | Kim Olsen | Actor | 2011 - 2019 | 2 | |
| Olsen, Kim, Jøran | Kim Jøran Olsen | Actor | 2020 | 1 | |
| Olsen, L. Katherine | L. Katherine Olsen | Actor | 1928 | 1 | |
| Olsen, Lars Reynert, | Lars Reynert Olsen | Actor | 2005 - 2008 | 90 | |
| Olsen, Lauritz | Lauritz Olsen | Actor | 1911 | 1 | |
| Olsen, Leif | Leif Olsen | Composer | 2009 | 1 | |
| Olsen, Lillian, | Lillian Olsen | Costume Designer | 2000 | 7 | |
| Olsen, Linn, | Linn Olsen | Actor | 1999 - 2000 | 7 | |
| Olsen, Lisbeth-Anita, Grimsø | Lisbeth-Anita Grimsø Olsen | Dancer | 2017 | 1 | |
| Olsen, Marie, | Marie Olsen | Actor | 1901 | 1 | |
| Olsen, Mathilde Arschim, | Mathilde Arschim Olsen | Actor | 2010 | 1 | |
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