| Jenkins, Martin | Martin Jenkins | Director | 1978 | 1 | |
| Jónsdóttir, Edda | Edda Jónsdóttir | Actor | 1978 | 1 | |
| Jan Eirik Svanø | Jan Eirik Svanø | Actor | 1978 | 38 | |
| Johansen, Petter | Petter Johansen | Actor | 1978 | 1 | |
| Jones, Trevor | Trevor Jones | Actor | 1978 | 1 | |
| Jackson, Kevin | Kevin Jackson | Director | 1978 | 3 | |
| James, Brian | Brian James | Actor | 1978 | 3 | |
| Jarratt, Wayne | Wayne Jarratt | Actor | 1978 | 1 | |
| James, Des | Des James | Actor | 1978 | 1 | |
| Johnson, Rick | Rick Johnson | Actor | 1978 | 1 | |
| Jans, Alaric | Alaric Jans | Composer | 1978 | 1 | |
| Joner, Annerut | Annerut Joner | Actor | 1978 - 1979 | 4 | |
| Jørstad, Ketil | Ketil Jørstad | Actor | 1978 - 1979 | 2 | |
| Jeffrey, Clare | Clare Jeffrey | Costume Designer | 1978 - 1979 | 2 | |
| Jalarvo, Jouni | Jouni Jalarvo | Actor | 1978 - 1982 | 2 | |
| Jeffrey, Peter | Peter Jeffrey | Actor | 1978 - 1982 | 2 | |
| Jacobi, Ernst | Ernst Jacobi | Actor | 1978 - 1990 | 3 | |
| Jonsson, Per, A. | Per A. Jonsson | Costume Designer, Designer | 1978 - 1991 | 23 | |
| Jaffe, Eric | Eric Jaffe | Actor | 1979 | 1 | |
| Jansons, Jocelyn | Jocelyn Jansons | Actor | 1979 | 1 | |
| Jarc, Mija | Mija Jarc | Costume Designer | 1979 | 1 | |
| Jereb, Iztok | Iztok Jereb | Actor | 1979 | 1 | |
| Jones, Kenton | Kenton Jones | Actor | 1979 | 1 | |
| Jensen, John | John Jensen | Designer | 1979 | 1 | |
| Jonca, Heike | Heike Jonca | Actor | 1979 | 1 | |
| Jennings, Caroline | Caroline Jennings | Dancer | 1979 | 2 | |
| Johansson, Jonas | Jonas Johansson | Dancer | 1979 | 2 | |
| Jaakkola, Anja | Anja Jaakkola | Actor | 1979 | 1 | |
| Jokelin, Aili | Aili Jokelin | Costume Designer | 1979 | 1 | |
| Jyrkiäinen, Timo | Timo Jyrkiäinen | Lighting Designer | 1979 | 1 | |
| Julia | Julia - | Actor | 1979 | 1 | |
| Joubert, Deon | Deon Joubert | Actor | 1979 | 1 | |
| Josephson, Ingemar | Ingemar Josephson | Actor | 1979 - 1987 | 3 | |
| Johanns, Jürgen | Jürgen Johanns | Actor | 1979 - 1990 | 3 | |
| Jíra, Milan | Milan Jíra | Composer | 1979 - 2000 | 3 | |
| Jelínek, Josef | Josef Jelínek | Costume Designer, Designer | 1979 - 2007 | 5 | |
| Jokelin, Sari | Sari Jokelin | Actor | 1979 - 2013 | 2 | |
| Jaskari, Maria | Maria Jaskari | Actor | 1980 | 1 | |
| Jaskari, Markus | Markus Jaskari | Actor | 1980 | 1 | |
| Jehanneuf, Jacqueline | Jacqueline Jehanneuf | Actor | 1980 | 1 | |
| Jeskanen, Kale | Kale Jeskanen | Actor | 1980 | 1 | |
| Jandl, Diana | Diana Jandl | Actor | 1980 | 1 | |
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