| Krumenacher, Fritz | Fritz Krumenacher | Designer | 1957 | 1 | |
| Kres, Hans | Hans Kres | Mask Maker | 1959 - 1963 | 6 | |
| Kersten, Herbert | Herbert Kersten | Actor | 1959 | 1 | |
| Klinger, Charlotte | Charlotte Klinger | Actor | 1960 - 1982 | 7 | |
| Krieger, Gerhard | Gerhard Krieger | Actor | 1905 | 1 | |
| Knick, Gerhard | Gerhard Knick | Director | 1961 - 1964 | 2 | |
| Kotsopoulos, Thanos | Thanos Kotsopoulos | Actor, Director | 1930 - 1979 | 14 | |
| Kirchhoff, Otti | Otti Kirchhoff | Mask Maker | 1966 - 1977 | 2 | |
| Knopp, Ruth | Ruth Knopp | Actor | 1923 | 1 | |
| Kilden, Elaine | Elaine Kilden | Actor | 1978 | 1 | |
| Kindermann, Anita | Anita Kindermann | Actor | 1923 | 1 | |
| Kornelatou, Georgia | Georgia Kornelatou | Actor | 1980 - 1981 | 3 | |
| Koteva, Marina | Marina Koteva | Actor | 1981 | 1 | |
| Kotri, Dejan | Dejan Kotri | Designer | 1982 | 1 | |
| Karlsen, Ivar | Ivar Karlsen | Costume Designer | 1966 - 1983 | 2 | |
| Kiønig, Marcus, Strand | Marcus Strand Kiønig | Actor | 1983 | 1 | |
| Kruse, Anja | Anja Kruse | Actor | 1986 - 2018 | 6 | |
| Koutsoudaki, Afroditi | Afroditi Koutsoudaki | Costume Designer, Designer | 1986 - 2002 | 5 | |
| Kontogianni, Rena | Rena Kontogianni | Translator | 1986 - 2013 | 4 | |
| Kastanias, Charis | Charis Kastanias | Actor | 1986 | 1 | |
| Kindynis, Thomas | Thomas Kindynis | Actor | 1986 - 2013 | 2 | |
| Kallioinen, Taisto | Taisto Kallioinen | Actor | 1983 | 1 | |
| Krivjánszky, István | István Krivjánszky | Actor | 1983 | 1 | |
| Kulcsár, Imre | Imre Kulcsár | Actor | 1983 | 1 | |
| Kennedy, Lorne | Lorne Kennedy | Actor | 1987 | 1 | |
| Kuna, Károly | Károly Kuna | Actor | 1983 - 1990 | 2 | |
| Katsafados, Thodoros | Thodoros Katsafados | Actor | 1985 - 1989 | 11 | |
| Kagan, Lawrence | Lawrence Kagan | Actor | 1987 | 1 | |
| Kanellis, Thanos | Thanos Kanellis | Actor | 1961 - 1997 | 14 | |
| Konstantopoulos, Christos | Christos Konstantopoulos | Actor | 1985 | 9 | |
| Kocyba , Tadeusz | Tadeusz Kocyba | Composer | 1990 | 1 | |
| Koutrakis, Stratos | Stratos Koutrakis | Lighting Designer | 1988 - 2006 | 7 | |
| Koumarias, Nikos | Nikos Koumarias | Actor | 1988 - 1989 | 6 | |
| Kyriakoglou, Meni | Meni Kyriakoglou | Actor | 1988 - 1989 | 6 | |
| Kouris, Vasilis | Vasilis Kouris | Actor | 1989 | 1 | |
| Kougioumtzis, Mimis | Mimis Kougioumtzis | Director | 1989 | 1 | |
| Kentros, Giorgos | Giorgos Kentros | Actor | 1989 | 1 | |
| Karakonstantoglou, Periklis | Periklis Karakonstantoglou | Actor | 1989 | 1 | |
| Kjebon, I. | I. Kjebon | Actor | 1881 | 1 | |
| Kreuzburg, Toni | Toni Kreuzburg | Actor | 1891 | 1 | |
| Kentaka, Lili | Lili Kentaka | Costume Designer, Designer | 1990 - 1994 | 4 | |
| Kourmpas, Panagiotis | Panagiotis Kourmpas | Lighting Designer | 1990 - 1994 | 2 | |
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