| Kamas, Jerzy | Jerzy Kamas | Actor | 1974 - 1976 | 2 | |
| Kostova, Rossiza | Rossiza Kostova | Actor | 1974 - 1978 | 4 | |
| Kibart, David | David Kibart | Designer | 1974 - 1980 | 2 | |
| Káldi, Nóra | Nóra Káldi | Actor | 1974 - 1986 | 2 | |
| Kállai, Ferenc | Ferenc Kállai | Actor | 1974 - 1991 | 3 | 1 |
| Karellis, Dimitris | Dimitris Karellis | Actor | 1974 - 1992 | 4 | |
| Köhler, Henning | Henning Köhler | Actor | 1974 - 1993 | 9 | |
| Kjærulff-Schmidt, Palle | Palle Kjærulff-Schmidt | Director | 1974 - 2000 | 2 | 1 |
| Krogh, Malene | Malene Krogh | Actor | 1974 - 2000 | 2 | |
| Kielland, Jacob | Jacob Kielland | Adaptation, Translator | 1974 - 2004 | 7 | 1 |
| Keegan, Hugh | Hugh Keegan | Director, Lighting Designer | 1974 - 2008 | 2 | |
| Kalina, Rudolf | Rudolf Kalina | Actor | 1975 | 1 | |
| Kempter, Kerstin | Kerstin Kempter | Actor | 1975 | 1 | |
| Keogh, Bernadette | Bernadette Keogh | Choreographer | 1975 | 1 | |
| Krauel, Gerold | Gerold Krauel | Actor | 1975 | 1 | |
| Kingsley, Barbara J. | Barbara J. Kingsley | Actor | 1975 | 1 | |
| Klingenberg, Axel | Axel Klingenberg | Actor | 1975 | 1 | |
| Kennard, Kathy | Kathy Kennard | Actor | 1975 | 1 | |
| Kerr, Tom | Tom Kerr | Director | 1975 | 1 | |
| Keatley, Gwen | Gwen Keatley | Designer | 1975 | 1 | |
| Katzer, Maja | Maja Katzer | Actor | 1975 | 1 | |
| Kearns, Hugh | Hugh Kearns | Designer | 1975 | 1 | |
| Kopperl, Helga | Helga Kopperl | Actor | 1975 | 1 | |
| Kahler, Ernst | Ernst Kahler | Actor | 1975 | 1 | |
| Klapper, Jürgen | Jürgen Klapper | Costume Designer, Designer | 1975 | 2 | |
| Kuska, Horst | Horst Kuska | Actor | 1975 | 1 | |
| Karpeta, Eleni | Eleni Karpeta | Actor | 1975 | 4 | |
| Kourou, Gianna | Gianna Kourou | Actor | 1975 | 4 | |
| Kloke, Eberhard | Eberhard Kloke | Musical Director | 1975 | 1 | |
| Kultala, Pentti | Pentti Kultala | Actor | 1975 | 1 | |
| Kjær, Diana | Diana Kjær | Actor | 1975 | 1 | |
| Kołbasiuk, Krzysztof | Krzysztof Kołbasiuk | Actor | 1975 | 1 | |
| Kaczynski, Józef | Józef Kaczynski | Actor | 1975 | 1 | |
| Kustosik, Daniel | Daniel Kustosik | Actor | 1975 | 1 | |
| Klimczak, Ambrozy | Ambrozy Klimczak | Actor | 1975 | 1 | |
| Kryszak, Jerzy | Jerzy Kryszak | Actor | 1975 | 2 | |
| Krupinski, Wojciech | Wojciech Krupinski | Actor | 1975 | 2 | |
| 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 | |
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