| 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 | |
| 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 | |
| Kim | Kim - | Actor | 1889 | 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 | |
| Kalantzopoulos, Panos | Panos Kalantzopoulos | Composer | 1990 | 1 | |
| Kyriakidis, Stefanos | Stefanos Kyriakidis | Actor | 1990 | 1 | |
| Karagianni, Katerina | Katerina Karagianni | Actor | 1990 - 1991 | 2 | |
| Kalanovski, Vesselin | Vesselin Kalanovski | Actor | 1991 | 1 | |
| Korun, Janja | Janja Korun | Costume Designer, Designer | 1992 - 1994 | 4 | |
| Kavčič, Blaž | Blaž Kavčič | Actor | 1992 | 1 | |
| Khan, Khaled | Khaled Khan | Director | 1993 | 1 | |
| Khan, Jahirul, Huq | Jahirul Huq Khan | Actor | 1993 | 1 | |
| Kajal, Enayet | Enayet Kajal | Actor | 1993 | 1 | |
| Konstantinov, Konstantin | Konstantin Konstantinov | Actor | 1993 - 2013 | 2 | |
| Karadzhov, Ivan | Ivan Karadzhov | Director | 1993 | 1 | |
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