| Johannessen, Borghild | Borghild Johannessen | Actor | 1906 - 1908 | 3 | |
| Johannessen, Doris | Doris Johannessen | Actor | 1905 - 1948 | 24 | |
| Jóhannsson, Sigurjón | Sigurjón Jóhannsson | Adaptation, Costume Designer, Designer | 1973 - 1991 | 5 | |
| Johansen, Iris | Iris Johansen | Actor | 1992 - 1997 | 3 | |
| Johanson, Erik | Erik Johanson | Actor | 1917 | 1 | |
| Johansson, Alfrida | Alfrida Johansson | Actor | 1907 | 1 | |
| Johansson, Douglas | Douglas Johansson | Actor | 1989 - 2007 | 45 | |
| Johansson, Elias | Elias Johansson | Designer | 1936 | 1 | |
| Johansson, Raymond | Raymond Johansson | Actor | 1972 - 1973 | 5 | |
| John, Alan | Alan John | Composer, Sound Designer | 2002 - 2017 | 5 | |
| John, Evan | Evan John | Actor | 1927 - 1930 | 2 | |
| John, Hubertus | Hubertus John | Actor | 2002 - 2003 | 2 | |
| Johnson, Ann | Ann Johnson | Actor | 1983 | 1 | |
| Johnson, Anne | Anne Johnson | Costume Designer | 1957 | 1 | |
| Johnson, Brennen | Brennen Johnson | Actor | 2008 | 2 | |
| Johnson, Craig | Craig Johnson | Adaptation, Director, Dramaturg, Producer | 2002 - 2017 | 7 | |
| Johnson, Greta | Greta Johnson | Actor | 2004 | 1 | |
| Johnson, Grey | Grey Johnson | Director | 1995 | 1 | |
| Johnson, Katie | Katie Johnson | Actor | 2001 | 1 | |
| Johnson, Lynn | Lynn Johnson | Actor | 2001 | 1 | |
| Johnson, Maj-Britt | Maj-Britt Johnson | Actor | 1956 | 1 | |
| Johnsru, Harald | Harald Johnsru | Actor | 1937 | 1 | |
| Johnston, Brian | Brian Johnston | Dramaturg, Translator | 1984 - 2012 | 25 | |
| Johnston, Oliver | Oliver Johnston | Actor | 1946 | 1 | |
| Jokisaari, Kari | Kari Jokisaari | Actor | 2006 | 1 | |
| Jones, Clyde | Clyde Jones | Director | 1968 | 1 | |
| Jones, Cody | Cody Jones | Actor | 2002 | 1 | |
| Jones, Eileen | Eileen Jones | Actor, Choreographer | 1936 - 1993 | 2 | |
| Jones, Eleanor | Eleanor Jones | Designer | 1936 | 1 | |
| Jones, Seth | Seth Jones | Actor | 1994 - 2000 | 2 | |
| Jonsson, Per | Per Jonsson | Actor, Designer | 1972 - 1996 | 10 | |
| Jonsson, Sören | Sören Jonsson | Actor | 1988 | 1 | |
| Jönsson, Gun | Gun Jönsson | Director, Translator | 1971 | 2 | |
| Jónssonar, Bjarna | Bjarna Jónssonar | Translator | 1952 | 1 | |
| Jopp, Arthur | Arthur Jopp | Director | 1951 | 1 | |
| Jordaan, Johann | Johann Jordaan | Choreographer | 1983 | 1 | |
| Jordan, Hanna | Hanna Jordan | Costume Designer, Designer | 1964 - 1968 | 11 | |
| Jordanssen, Leif | Leif Jordanssen | Composer | 2008 | 4 | |
| Jorga, Cléo | Cléo Jorga | Actor | 1928 | 1 | |
| Josch, Bianca | Bianca Josch | Actor | 1958 | 1 | |
| Joseph, Paterson | Paterson Joseph | Actor | 1991 - 2000 | 9 | |
| Josephson, Erland | Erland Josephson | Actor | 1958 - 2004 | 15 | |
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