| Olmsted, Richard | Richard Olmsted | Designer, Lighting Designer | 2002 - 2003 | 3 | |
| Olney, Joseph | Joseph Olney | Actor | 1938 | 1 | |
| Olofson, Anna | Anna Olofson | Mask Maker | 2006 - 2010 | 58 | |
| Olohan, John | John Olohan | Actor | 1980 | 16 | |
| Olpin, Jay | Jay Olpin | Actor | 2010 | 1 | |
| Olram, Gunnar | Gunnar Olram | Actor | 1943 - 2006 | 187 | 1 |
| Olree, Adriaan | Adriaan Olree | Actor | 1996 | 1 | |
| Olroth-Hackenbroch, Gisela | Gisela Olroth-Hackenbroch | Designer, Director | 2011 | 2 | |
| Oľšavská, Antónia | Antónia Oľšavská | Actor | 2012 | 2 | |
| Olsavszky, Éva | Éva Olsavszky | Actor | 2002 | 1 | 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 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 | 1 |
| Olsen, Augusta | Augusta Olsen | Actor | 1907 | 10 | |
| Olsen, Bengt | Bengt Olsen | Actor | 1898 | 1 | |
| Olsen, Brian | Brian Olsen | Actor | 2022 | 2 | |
| Olsen, Clifford, R. | Clifford R. Olsen | Actor, Director | 1963 | 2 | 1 |
| 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 | 101 | 1 |
| 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 | Actor | 2002 | 1 | |
| Olsen, Kim | Kim Olsen | Actor | 2011 - 2019 | 2 | |
| Olsen, Kim, Jøran | Kim Jøran Olsen | Actor | 2020 | 1 | |
| Olsen, Kristoffer | Kristoffer Olsen | Actor | 2024 | 1 | |
| Olsen, L. Katherine | L. Katherine Olsen | Actor | 1928 | 1 | |
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