| Kourkoulos, Nikos | Nikos Kourkoulos | Actor | 1965 - 1979 | 3 | |
| Kourkoumelis, Giannis | Giannis Kourkoumelis | Actor | 1986 | 1 | |
| Kourkoutakis, Jannis | Jannis Kourkoutakis | Designer | 1976 - 1980 | 2 | |
| Kourlampas, Thanasis | Thanasis Kourlampas | Actor | 2009 | 1 | |
| Kourmpas, Panagiotis | Panagiotis Kourmpas | Lighting Designer | 1990 - 1994 | 2 | |
| Kouros, Nikos | Nikos Kouros | Actor | 1984 | 1 | |
| Kourou, Gianna | Gianna Kourou | Actor | 1975 | 4 | |
| Kouroudi, Lena | Lena Kouroudi | Actor | 1985 | 1 | |
| Kourtaki, Dioni | Dioni Kourtaki | Actor | 2014 | 1 | |
| Kourteli, E. | E. Kourteli | Actor | 1902 | 1 | |
| Kourtelis, (?) | (?) Kourtelis | Actor | 1907 | 3 | |
| Kourtelis, Nestor | Nestor Kourtelis | Actor | 1933 | 1 | |
| Koush, Dorothy | Dorothy Koush | Actor | 1942 | 1 | |
| Kousi, Lea | Lea Kousi | Designer | 1993 | 1 | |
| Kouta, Melita | Melita Kouta | Costume Designer, Designer | 2003 | 2 | |
| Koutoukas, H.K. | H. K. Koutoukas (H.K. Koutoukas) | | | | |
| Koutoukas, H.M. | H. M. Koutoukas (H.M. Koutoukas) | Actor | 1956 | 1 | |
| Koutrakis, Stratos | Stratos Koutrakis | Lighting Designer | 1988 - 2006 | 7 | |
| Koutrouvideas, Dimitris | Dimitris Koutrouvideas | Actor | 1994 | 1 | |
| Koutsokosta, Dimitra | Dimitra Koutsokosta (Δήμητρα Κουτσοκώστα) | Assistant Director | 2022 - 2023 | 4 | |
| Koutsoudaki, Afroditi | Afroditi Koutsoudaki | Costume Designer, Designer | 1986 - 2002 | 5 | |
| Koutsoudaki, Christina | Christina Koutsoudaki | Actor | 1972 | 1 | |
| Koutsoukos, Sakis | Sakis Koutsoukos | Musical Director | 1999 | 2 | |
| Koutsoukou, Mairi | Mairi Koutsoukou | Actor | 2002 | 3 | |
| Kouvardas, Spyros | Spyros Kouvardas | Actor | 1982 | 1 | |
| Kouwenberg, Jasper, Klein | Jasper Klein Kouwenberg | Actor | 1991 | 3 | |
| Kouwenhoven, Annet | Annet Kouwenhoven | Actor | 1988 - 2000 | 7 | |
| Kouwenhoven, Annette | Annette Kouwenhoven | Actor | 2014 | 12 | |
| Kouwenhoven, Wim | Wim Kouwenhoven | Actor | 1954 | 1 | |
| Kouzitskin, Alexandros | Alexandros Kouzitskin | | | | |
| Kovač, Igor | Igor Kovač | Actor | 2017 | 1 | |
| Kovačević, Antoneta | Antoneta Kovačević (Антонета Ковачевиќ) | Actor | 1970 | 1 | |
| Kovačević, Eržika | Eržika Kovačević | Actor | 1956 - 1972 | 2 | |
| Kovačević, Goran | Goran Kovačević | Musician | 2016 | 1 | |
| Kovačević, Ivana | Ivana Kovačević | Actor | 2000 | 1 | |
| Kovacevic, Ranko | Ranko Kovacevic | Actor | 1984 | 1 | |
| Kovačević, Snežana | Snežana Kovačević | Costume Designer | 2000 | 1 | |
| Kovačić Pavlina, Petra | Petra Kovačić Pavlina | Actor | 2013 - 2017 | 2 | |
| Kovačić, Mr | Mr Kovačić | Actor | 1898 | 1 | |
| Kovačić, Vasja | Vasja Kovačić | Actor | 1990 | 1 | |
| Kováčiková, Katarína | Katarína Kováčiková | Costume Designer | 2013 | 1 | |
| Kovács, András, Éry | András Éry Kovács | Adaptation, Designer, Director | 2006 | 3 | |
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