| Koutsoudaki, Christina | Christina Koutsoudaki | Actor | 1972 | 1 | |
| Koutsoudaki, Afroditi | Afroditi Koutsoudaki | Costume Designer, Designer | 1986 - 2002 | 5 | |
| Koutsokosta, Dimitra | Dimitra Koutsokosta (Δήμητρα Κουτσοκώστα) | Assistant Director | 2022 - 2023 | 4 | |
| Koutsikopoulou, Areti | Areti Koutsikopoulou (Αρετή Κουτσικοπούλου) | Producer | 2025 | 1 | |
| Koutrouvideas, Dimitris | Dimitris Koutrouvideas | Actor | 1994 | 1 | |
| Koutrakis, Stratos | Stratos Koutrakis | Lighting Designer | 1988 - 2006 | 7 | |
| Koutoukas, H.M. | H. M. Koutoukas (H.M. Koutoukas) | Actor | 1956 | 1 | |
| Koutoukas, H.K. | H. K. Koutoukas (H.K. Koutoukas) | | | | |
| Kouta, Melita | Melita Kouta | Costume Designer, Designer | 2003 | 2 | |
| Kousi, Lea | Lea Kousi | Designer | 1993 | 1 | |
| Koush, Dorothy | Dorothy Koush | Actor | 1942 | 1 | |
| Kourtelis, Nestor | Nestor Kourtelis | Actor | 1933 | 1 | |
| Kourtelis, (?) | (?) Kourtelis | Actor | 1907 | 3 | |
| Kourteli, E. | E. Kourteli | Actor | 1902 | 1 | |
| Kourtaki, Dioni | Dioni Kourtaki | Actor | 2014 | 1 | |
| Kouroudi, Lena | Lena Kouroudi | Actor | 1985 | 1 | |
| Kourou, Gianna | Gianna Kourou | Actor | 1975 | 4 | |
| Kouros, Nikos | Nikos Kouros | Actor | 1984 | 1 | |
| Kourmpas, Panagiotis | Panagiotis Kourmpas | Lighting Designer | 1990 - 1994 | 2 | |
| Kourlampas, Thanasis | Thanasis Kourlampas | Actor | 2009 | 1 | |
| Kourkoutakis, Jannis | Jannis Kourkoutakis | Designer | 1976 - 1980 | 2 | |
| Kourkoumelis, Giannis | Giannis Kourkoumelis | Actor | 1986 | 1 | |
| Kourkoulos, Nikos | Nikos Kourkoulos | Actor | 1965 - 1979 | 3 | |
| Kouritis, Ilias | Ilias Kouritis | Actor | 1942 - 1954 | 6 | |
| Kouris, Vasilis | Vasilis Kouris | Actor | 1989 | 1 | |
| Kouris, Nikos | Nikos Kouris | Actor | 1994 | 1 | |
| Kouris, Nikolaos | Nikolaos Kouris | Actor | 1906 | 2 | |
| Kouřilová, Dagmar | Dagmar Kouřilová | Actor | 1994 - 1997 | 2 | |
| Kouřil, Miroslav | Miroslav Kouřil | Designer | 1963 | 1 | |
| Kourey, Saundra | Saundra Kourey | Actor | 1965 | 1 | |
| Kourani, Elsa | Elsa Kourani | Actor | 1943 | 1 | |
| Kountouris, Ioannis | Ioannis Kountouris | Actor | 1931 | 1 | |
| Kounelis, Giannis | Giannis Kounelis | Actor | 1999 | 2 | |
| Koun, Karolos | Karolos Koun | Actor, Costume Designer, Designer, Director | 1939 - 1956 | 73 | 1 |
| Koumparis, Theodoros | Theodoros Koumparis | Actor | 1909 | 1 | |
| Koumpari, A. | A. Koumpari | Actor | 1909 | 1 | |
| Koumentakis, Giorgos | Giorgos Koumentakis | Composer | 1994 | 1 | |
| Koumarioti, Eleni | Eleni Koumarioti | Actor | 1903 | 2 | |
| Koumarias, Nikos | Nikos Koumarias | Actor | 1988 - 1989 | 6 | |
| Koulouti, Maria | Maria Koulouti | Actor | 2011 | 1 | |
| Koulourioti, Eleni | Eleni Koulourioti | Actor | 1991 | 4 | |
| Koulouri, Eleonora | Eleonora Koulouri | Actor | 2002 | 1 | |
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