| Jülich, Margrit | Margrit Jülich | Actor | 1977 | 1 | |
| Josephs, Hermann | Hermann Josephs | Musical Director | 1977 | 1 | |
| José, Walmir | Walmir José | Costume Designer, Designer, Director | 1977 | 3 | |
| Jones, Griffith | Griffith Jones | Actor | 1977 | 1 | |
| Joyce, Aaron | Aaron Joyce | Actor | 1977 | 1 | |
| Jeppesen, Gert | Gert Jeppesen | Actor | 1977 | 3 | |
| Jarskij, R. | R. Jarskij | Actor | 1977 | 1 | |
| Jabalera, Antonio | Antonio Jabalera | Actor | 1977 | 1 | |
| Juilliard, Jean | Jean Juilliard | Actor | 1977 - 1978 | 3 | 1 |
| Job, Enrico | Enrico Job | Costume Designer, Designer | 1977 - 1978 | 16 | |
| Jensen, Ejnar, Hans | Ejnar Hans Jensen | Actor | 1977 - 1980 | 4 | |
| Jakubiec-Prażmowska, Małgorzata | Małgorzata Jakubiec-Prażmowska | Actor | 1978 | 1 | |
| Jenni, Ernst | Ernst Jenni | Actor | 1978 | 2 | |
| Jenkins, Lynn | Lynn Jenkins | Actor | 1978 | 1 | |
| Jokelin, Rauli | Rauli Jokelin | Director | 1978 | 1 | |
| Jonasson, Anders | Anders Jonasson | Actor | 1978 | 1 | |
| Jenkins, Martin | Martin Jenkins | Director | 1978 | 1 | 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 | 1 |
| Joner, Annerut | Annerut Joner | Actor | 1978 - 1979 | 4 | 1 |
| Jørstad, Ketil | Ketil Jørstad | Actor | 1978 - 1979 | 2 | |
| Jeffrey, Clare | Clare Jeffrey | Costume Designer | 1978 - 1979 | 2 | 1 |
| Jalarvo, Jouni | Jouni Jalarvo | Actor | 1978 - 1982 | 2 | |
| Jeffrey, Peter | Peter Jeffrey | Actor | 1978 - 1982 | 2 | 1 |
| Jacobi, Ernst | Ernst Jacobi | Actor | 1978 - 1990 | 3 | |
| Jonsson, Per, A. | Per A. Jonsson | Costume Designer, Designer | 1978 - 1996 | 27 | |
| 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 | |
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