| Korwin, Lidia | Lidia Korwin | Actor | 1975 | 1 | |
| Kalnins, Helmuts | Helmuts Kalnins | Actor | 1975 | 1 | |
| Krödel, Knut | Knut Krödel | Actor | 1975 | 1 | |
| Kruzik, Peter | Peter Kruzik | Actor | 1975 | 1 | |
| Kloos, Agatha | Agatha Kloos | Actor | 1975 | 1 | |
| Kutlu, Gülgün | Gülgün Kutlu (Gulgun Kutlu) | Actor | 1975 | 1 | |
| Khalil, Ismail | Ismail Khalil | Director | 1975 | 1 | |
| Keegan, Hugh | Hugh Keegan | Director, Lighting Designer | 1974 - 2008 | 2 | |
| Kielland, Jacob | Jacob Kielland | Adaptation, Translator | 1974 - 2004 | 7 | 1 |
| Kjærulff-Schmidt, Palle | Palle Kjærulff-Schmidt | Director | 1974 - 2000 | 2 | 1 |
| Krogh, Malene | Malene Krogh | Actor | 1974 - 2000 | 2 | |
| Köhler, Henning | Henning Köhler | Actor | 1974 - 1993 | 9 | |
| Karellis, Dimitris | Dimitris Karellis | Actor | 1974 - 1992 | 4 | |
| Kállai, Ferenc | Ferenc Kállai | Actor | 1974 - 1991 | 3 | 1 |
| Káldi, Nóra | Nóra Káldi | Actor | 1974 - 1986 | 2 | |
| Kibart, David | David Kibart | Designer | 1974 - 1980 | 2 | |
| Kostova, Rossiza | Rossiza Kostova | Actor | 1974 - 1978 | 4 | |
| Kamas, Jerzy | Jerzy Kamas | Actor | 1974 - 1976 | 2 | |
| Kroneberg, Immo | Immo Kroneberg | Actor | 1974 - 1975 | 2 | |
| Kihlman, Olle | Olle Kihlman | Actor | 1974 - 1975 | 2 | |
| Kamer, Martin | Martin Kamer | Costume Designer, Designer | 1974 - 1975 | 12 | |
| Kaminski, Keith | Keith Kaminski | Actor | 1974 | 1 | |
| Karele, Aina | Aina Karele | Actor | 1974 | 1 | |
| Katherman, Mary | Mary Katherman | Actor | 1974 | 1 | |
| Krüger, Katharina | Katharina Krüger | Actor | 1974 | 1 | |
| Klētnieks, Nauris | Nauris Klētnieks | Director | 1974 | 1 | |
| Kļaviņs, Aldis | Aldis Kļaviņs | Designer | 1974 | 1 | |
| Kalnarāja, Ināra | Ināra Kalnarāja | Actor | 1974 | 1 | |
| Kuplais, Jānis | Jānis Kuplais | Actor | 1974 | 1 | |
| Kelly, Glenna Jo | Glenna Jo Kelly | Actor | 1974 | 1 | |
| Kolasek, Anja | Anja Kolasek | Actor | 1974 | 1 | |
| Kallenbach, Ilse | Ilse Kallenbach | Actor | 1974 | 1 | |
| Kaschenz, Kurt | Kurt Kaschenz | Director | 1974 | 1 | |
| Kalmár, Péter | Péter Kalmár | Actor | 1974 | 1 | |
| Keresztes, Pál | Pál Keresztes | Actor | 1974 | 1 | |
| Kępa, Andrzej | Andrzej Kępa | Actor | 1974 | 1 | |
| Krawczykowska, Irena | Irena Krawczykowska | Actor | 1974 | 1 | |
| Karnecki, Zbigniew | Zbigniew Karnecki | Musical Director | 1974 | 1 | |
| Kottas, Hanna | Hanna Kottas | Actor | 1974 | 1 | |
| Kafkaridis, Stelios | Stelios Kafkaridis | Actor | 1974 | 7 | |
| Karantinos, Sokratis | Sokratis Karantinos | Director | 1974 | 7 | |
| Kropf, Wolf-Karsten | Wolf-Karsten Kropf | Actor | 1974 | 1 | |
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