| Olbrich, Julius, | Julius Olbrich | Actor | 1876 - 1910 | 16 | |
| Oe, Yoshihiko | Yoshihiko Oe | Dramaturg | 2010 | 16 | |
| Ozora, Mayumi | Mayumi Ozora | Actor | 2010 | 16 | |
| Olohan, John | John Olohan | Actor | 1980 | 16 | |
| O'Hanlon, Máire | Máire O'Hanlon | Actor | 1980 | 16 | |
| Olsen, Hans, | Hans Olsen | Actor | 1902 | 17 | |
| Olsen, Ole, | Ole Olsen | Actor, Composer | 1895 - 1910 | 18 | 18 |
| Ottesen, Rasmus, | Rasmus Ottesen | Actor | 1902 - 1927 | 18 | |
| Osa, Liv Bernhoft, | Liv Bernhoft Osa | Actor | 1993 - 2014 | 18 | 18 |
| Oenslager, Donald, | Donald Oenslager | Costume Designer, Designer, Lighting Designer | 1934 - 1951 | 19 | |
| Occhini, Ilaria | Ilaria Occhini | Actor | 1981 - 2005 | 19 | |
| Odasso, Cristina | Cristina Odasso | Actor | 2005 - 2006 | 19 | |
| Olsen, Arne, Thomas | Arne Thomas Olsen | Actor, Director | 1955 - 1956 | 19 | |
| Ottesen, Marian Saastad, | Marian Saastad Ottesen | Actor | 2006 - 2020 | 20 | 20 |
| Olsson, Tove, | Tove Olsson | Actor | 2008 | 20 | 20 |
| Otto, Alex, | Alex Otto | Actor, Director, Playwright | 1898 - 1900 | 21 | |
| O'Neil, Nance, | Nance O'Neil | Actor | 1900 - 1906 | 22 | |
| Ones, Arvid, | Arvid Ones | Actor, Director | 1983 - 2004 | 22 | |
| Osmarr, Otto, | Otto Osmarr | Actor, Director | 1889 - 1900 | 23 | |
| Ost, Kathrin | Kathrin Ost | Actor | 2010 - 2011 | 24 | 24 |
| Olstad, Even, | Even Olstad | Actor | 2000 - 2016 | 25 | |
| Olsen, Tyler | Tyler Olsen | Actor | 2006 | 25 | |
| Orloff, Ida, | Ida Orloff | Actor | 1905 - 1910 | 26 | |
| Orvelius, Gunilla | Gunilla Orvelius | Actor | 1992 - 2002 | 27 | |
| Oredsson, Thomas | Thomas Oredsson | Actor | 1975 - 1998 | 27 | |
| Otten, Marcel | Marcel Otten | Translator | 2012 - 2013 | 29 | |
| Osterop, Marcel | Marcel Osterop | Actor | 2012 - 2013 | 29 | |
| Onslow, Michael | Michael Onslow | Actor | 1999 | 30 | |
| Orak, Aydin | Aydin Orak | Actor, Translator | 2010 | 32 | 32 |
| Ottesen, Rigmor, | Rigmor Ottesen | Actor | 1992 - 2007 | 32 | |
| Ottesen, Per, | Per Ottesen | Actor | 1992 - 2013 | 36 | |
| Owenberg-Lyche, Ragnhild, | Ragnhild Owenberg-Lyche | Actor | 1911 | 36 | 36 |
| Ostendorf, Nils, | Nils Ostendorf | Composer | 2008 - 2013 | 37 | |
| Ofsdal , Steinar | Steinar Ofsdal | Musician | 1978 | 38 | |
| Olsen, Olaus, | Olaus Olsen | Actor | 1884 - 1904 | 39 | 39 |
| Ousdal, Sverre Anker, | Sverre Anker Ousdal | Actor | 1983 - 2003 | 40 | |
| Ochandiano, Amelia | Amelia Ochandiano | Director | 2010 - 2011 | 40 | |
| Ormerod, Ben | Ben Ormerod | Lighting Designer | 1994 - 2007 | 41 | |
| Olason, Ragnar, | Ragnar Olason | Actor | 1956 - 1973 | 48 | |
| Olsen, Ragnar, | Ragnar Olsen | Adaptation, Translator | 1994 - 2015 | 48 | |
| Oelschlegel, Vera | Vera Oelschlegel | Director | 1997 - 2000 | 52 | |
| Otto, Harald, | Harald Otto | Actor, Director | 1896 - 1921 | 55 | |
|
|
