| Kociniak, Jan | Jan Kociniak | Actor | 1970 - 1971 | 2 | |
| Kociniak, Marian | Marian Kociniak | Actor | 1970 - 1971 | 2 | |
| Kroll, Natasha | Natasha Kroll | Designer | 1970 - 1974 | 4 | |
| Korhel, Erna | Erna Korhel | Actor | 1970 - 1975 | 2 | |
| Križaj, Franci | Franci Križaj | Director | 1970 - 1986 | 2 | |
| Kretzer, Fred | Fred Kretzer | Actor | 1970 - 1990 | 6 | |
| Kutakov, V. | V. Kutakov | Actor | 1970 - 1990 | 2 | |
| Kemény, Árpád | Árpád Kemény | Costume Designer, Designer | 1970 - 1991 | 5 | |
| Koennecke, Klaus | Klaus Koennecke | Actor | 1970 - 1993 | 7 | |
| Kelling, Edgar | Edgar Kelling | Director | 1971 | 1 | |
| Kihlström, Anna | Anna Kihlström | Actor | 1971 | 1 | |
| Kimbrough, Charles | Charles Kimbrough | Actor | 1971 | 1 | |
| Körmendi, Erika | Erika Körmendi | Actor | 1971 | 1 | |
| Kimbrough, Mary Jane | Mary Jane Kimbrough | Actor | 1971 | 1 | |
| Kilinger, Mimi | Mimi Kilinger | Actor | 1971 | 1 | |
| Koubová, Milena | Milena Koubová | Actor | 1971 | 1 | |
| Kubín, Josef | Josef Kubín | Actor | 1971 | 1 | |
| Kozák, Zdenĕk | Zdenĕk Kozák | Actor | 1971 | 1 | |
| Kuzyszyn, Ryszard | Ryszard Kuzyszyn | Designer | 1971 | 1 | |
| Kłopocki, Włodzimierz | Włodzimierz Kłopocki | Actor | 1971 | 1 | |
| Kwaśniewska, Sława | Sława Kwaśniewska | Actor | 1971 | 1 | |
| Krogstad, Jenny | Jenny Krogstad | Mask Maker | 1971 | 1 | |
| Kirkenær, Jorunn | Jorunn Kirkenær (Jorunn Kirkenaer) | Choreographer | 1971 | 21 | |
| Kazanjian, Brian | Brian Kazanjian | Actor | 1971 | 1 | |
| Kagan, Diane | Diane Kagan | Actor | 1971 | 1 | |
| Krügener, Hartmut | Hartmut Krügener | Designer | 1971 | 1 | |
| Klawa, Laonte | Laonte Klawa | Designer | 1971 | 2 | |
| Koltschakova, Magda | Magda Koltschakova | Actor | 1971 | 1 | |
| Krijn, Sari | Sari Krijn | Actor | 1971 | 1 | |
| Kennedy, Gary | Gary Kennedy | Actor | 1971 | 1 | |
| Kernan, Alvin | Alvin Kernan | Actor | 1971 | 1 | |
| Kessler, Evelyn | Evelyn Kessler | Actor | 1971 | 1 | |
| Koepke, Ewald | Ewald Koepke | Actor | 1971 | 1 | |
| Karatzas, Nikos | Nikos Karatzas | Actor | 1971 | 1 | |
| Klaus, Hans | Hans Klaus | Actor | 1971 | 1 | |
| Korad, Asuman | Asuman Korad | Director | 1971 | 1 | |
| Kırhan, Yıldırım | Yıldırım Kırhan | Conductor | 1971 | 1 | |
| Kelland, John | John Kelland | Actor | 1971 | 1 | |
| Kolstad, Kirsti | Kirsti Kolstad | Actor | 1971 - 1973 | 45 | |
| Kirchstein, Rüdiger | Rüdiger Kirchstein | Actor | 1971 - 1973 | 10 | |
| Kuhlmann, Klaus-Harald | Klaus-Harald Kuhlmann | Actor | 1971 - 1973 | 4 | |
| Karagiorgis, Klearchos | Klearchos Karagiorgis | Director | 1971 - 1973 | 2 | |
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