| Jambrek, Jerneja | Jerneja Jambrek | Costume Designer | 2010 - 2012 | 3 | |
| Jhankal, Ravi | Ravi Jhankal | Actor | 2010 - 2017 | 3 | |
| Jergitsch, Odo | Odo Jergitsch | Actor | 2010 - 2016 | 3 | |
| Junghanns, Caroline | Caroline Junghanns | Actor | 2011 - 2015 | 3 | |
| Jurăscu, Vladimir | Vladimir Jurăscu | Actor | 1963 - 1978 | 3 | |
| Jensen, Knut | Knut Jensen | Actor | 1962 - 1963 | 3 | |
| Jannarone, Kimberly | Kimberly Jannarone | Adaptation, Director, Producer | 2013 | 3 | |
| Jin, Yi | Yi Jin | Actor, Musical Director | 1983 | 3 | |
| Jurkka, Emmi | Emmi Jurkka | Actor | 1935 - 1953 | 3 | |
| Johnsen, Øivind | Øivind Johnsen | Actor | 1952 - 2006 | 3 | |
| Johnson, Raymond | Raymond E. Johnson | Actor | 1932 - 1951 | 3 | |
| Jackson, Anne | Anne Jackson | Actor | 1946 - 1950 | 3 | |
| Jürisson, Ain | Ain Jürisson | Actor | 1962 - 1999 | 3 | |
| Johnston, Ethel | Ethel Johnston | Actor | 1892 | 3 | |
| Jackson, Jon P. | Jon P. Jackson | Actor | 1999 | 3 | |
| José, Walmir | Walmir José | Costume Designer, Designer, Director | 1977 | 3 | |
| Judkins, Esther | Esther Judkins | Actor | 1946 | 3 | |
| Jahncke, Jochen | Jochen Jahncke | Lighting Designer | 2000 - 2022 | 3 | |
| Jensen, Jr., Hilmar, L. | Hilmar L. Jensen, Jr. | Actor | 1949 | 3 | |
| Jackson, Ernest | Ernest Jackson | Actor | 1949 | 3 | |
| Jipa, Corneliu | Corneliu Jipa | Actor | 2016 | 3 | |
| Jewitt, Drummond | Drummond Jewitt | Actor | 1971 | 3 | |
| Jevnaker, Ola | Ola Jevnaker | Costume Designer | 2006 - 2012 | 3 | |
| Jope, Jenny | Jenny Jope | Actor | 2017 | 3 | |
| Jeppesen, Gert | Gert Jeppesen | Actor | 1977 | 3 | |
| Jackson, Kevin | Kevin Jackson | Director | 1978 | 3 | |
| James, Brian | Brian James | Actor | 1978 | 3 | |
| Jåtten, Kristian, Berg | Kristian Berg Jåtten | Actor | 2017 - 2019 | 3 | |
| Jutzi, Kathrin | Kathrin Jutzi | Actor | 1993 | 3 | |
| Jonasson, Fru | Fru Jonasson | Actor | 1885 - 1886 | 3 | |
| Jurkić, Trpimir | Trpimir Jurkić | Actor | 2013 - 2017 | 3 | |
| Jurčič, Mr | Mr Jurčič | Actor | 1898 - 1904 | 3 | |
| Jovanović, Stojan | Stojan Jovanović | Actor | 1933 - 1934 | 3 | |
| Jabveneau, Hervé | Hervé Jabveneau | Designer | 2018 | 3 | |
| Jensen , Jacob | Jacob Jensen | Actor | 2022 - 2024 | 3 | |
| Jørgensen, Eirik Langås | Eirik Langås Jørgensen | Actor | 2022 - 2024 | 3 | |
| James, Joshua | Joshua James | Actor | 2019 | 3 | |
| Jansen, Markus Maria | Markus Maria Jansen | Musical Director | 2024 | 3 | |
| Jávor, Pál | Pál Jávor | Actor | 1941 | 2 | 1 |
| Johannesen, Adelaide | Adelaide Johannesen | Actor | 1880 - 1883 | 2 | 2 |
| Jaskol, Evelyn | Evelyn Jaskol | Actor | 1968 | 2 | |
| Jedamski, Iris | Iris Jedamski | Costume Designer, Designer | 2003 | 2 | |
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