| John, Karl | Karl John | Actor | 1968 | 1 | |
| Janisch, Silvia | Silvia Janisch | Actor | 1968 | 3 | |
| Jarausch, Helga | Helga Jarausch | Actor | 1968 | 1 | |
| Jones, Rosemary | Rosemary Jones | Actor | 1968 | 1 | |
| Jufa, T. | T. Jufa | Designer | 1968 | 1 | |
| Jitianu, Dan | Dan Jitianu | Costume Designer, Designer | 1968 - 1978 | 5 | |
| Jacobsen, Detlef | Detlef Jacobsen | Actor, Director, Translator | 1968 - 2004 | 4 | |
| Jedlička, Vaclav | Václav Jedlička | Actor, Composer | 1968 - 2012 | 2 | |
| Jelínková, Eva | Eva Jelínková | Actor, Adaptation | 1968 - 2012 | 5 | |
| Jeske, Regina | Regina Jeske | Actor | 1969 | 1 | |
| Jahoda, Miloš | Miloš Jahoda | Actor | 1969 | 1 | |
| Jarský, Jaroslav | Jaroslav Jarský | Actor | 1969 | 1 | |
| Jardim, Joel | Joel Jardim | Sound Designer | 1969 | 2 | |
| Jánosa, Lajos | Lajos Jánosa | Designer | 1969 | 1 | |
| Jackson, H. Lionel | H. Lionel Jackson | Director | 1969 | 1 | |
| Jenkins, Ken | Ken Jenkins | Actor, Director | 1969 - 1970 | 2 | |
| Jansen, Per, | Per Jansen | Actor | 1969 - 2004 | 58 | |
| Jackson, Gordon | Gordon Jackson | Actor | 1970 | 1 | |
| Johanneson, Eydun | Eydun Johanneson | Actor | 1970 | 1 | |
| Jeck, Volker | Volker Jeck | Actor | 1970 | 2 | |
| Jones, Terrence | Terrence Jones | Actor | 1970 | 1 | |
| Joseph, Anne | Anne Joseph | Actor | 1970 | 1 | |
| Juárez, Edith | Edith Juárez | Designer | 1970 | 1 | |
| Jackson, Robert | Robert Jackson | Actor | 1970 | 1 | |
| Jackson, Alexandra | Alexandra Jackson | Mask Maker | 1970 | 1 | |
| Jurišić, Miodrag | Miodrag Jurišić | Actor | 1970 | 1 | |
| Jędryka, Joanna | Joanna Jędryka | Actor | 1970 - 1972 | 5 | |
| Jivanov, Emilia | Emilia Jivanov | Costume Designer, Designer | 1970 - 1978 | 4 | |
| Jensen, Howard | Howard Jensen | Actor, Director | 1970 - 1979 | 2 | |
| Jacobsen, Anne Marit, | Anne Marit Jacobsen | Actor | 1970 - 2007 | 16 | 2 |
| Janovská, Vĕra | Vĕra Janovská | Actor | 1971 | 1 | |
| Jönsson, Gun | Gun Jönsson | Director, Translator | 1971 | 2 | |
| Jonsson, Carina | Carina Jonsson | Actor | 1971 | 1 | |
| Joudová, Vĕra | Vĕra Joudová | Actor | 1971 | 1 | |
| Jirmář, Zbynĕk | Zbynĕk Jirmář | Actor | 1971 | 2 | |
| Junášek, Michael | Michael Junášek | Actor | 1971 | 1 | |
| Jamplis, Elizabeth | Elizabeth Jamplis | Actor | 1971 | 1 | |
| Johansson, Birthe | Birthe Johansson | Actor | 1971 | 1 | |
| Jones, Kender | Kender Jones | Actor | 1971 | 1 | |
| Jost, Silvia | Silvia Jost | Actor | 1971 | 2 | |
| Jureidini, Khail | Khail Jureidini | Actor | 1971 | 1 | |
| Jackson, Nancie | Nancie Jackson | Actor | 1971 | 1 | |
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