| Katzer, Manfred | Manfred Katzer | Actor | 1972 | 1 | |
| Kammerer, Marcella | Marcella Kammerer | Actor | 1951 - 1952 | 2 | |
| Kleinová, V. | V. Kleinová | Actor | 1940 | 1 | |
| Konečný, K. | K. Konečný | Actor | 1939 - 1940 | 2 | |
| Kouritis, Ilias | Ilias Kouritis | Actor | 1942 - 1954 | 6 | |
| Křiváček, Ladislav | Ladislav Křiváček | Actor | 1972 | 2 | |
| Kopřiva, Ludĕk | Ludĕk Kopřiva | Actor | 1972 | 2 | |
| Kantorková, Miriam | Miriam Kantorková | Actor | 1972 | 1 | |
| Křížek, Bohumil | Bohumil Křížek | Actor | 1972 | 1 | |
| Kotva, Jan | Jan Kotva | Actor | 1972 | 1 | |
| Koelliker, Werner | Werner Koelliker | Actor | 1952 | 1 | |
| Karamitev, Apostol | Apostol Karamitev | Actor | 1956 | 1 | |
| Kazarska, Stefka | Stefka Kazarska | Actor | 1956 - 1971 | 2 | |
| Kersten, Herbert | Herbert Kersten | Actor | 1959 | 1 | |
| Klinger, Charlotte | Charlotte Klinger | Actor | 1960 - 1982 | 7 | |
| Krieger, Gerhard | Gerhard Krieger | Actor | 1905 | 1 | |
| 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 | |
| Kiønig, Marcus, Strand | Marcus Strand Kiønig | Actor | 1983 | 1 | |
| Kruse, Anja | Anja Kruse | Actor | 1986 - 2018 | 6 | |
| 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 | |
| Koumarias, Nikos | Nikos Koumarias | Actor | 1988 - 1989 | 6 | |
| Kyriakoglou, Meni | Meni Kyriakoglou | Actor | 1988 - 1989 | 6 | |
| Kouris, Vasilis | Vasilis Kouris | Actor | 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 | |
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