| Katz, Natasha | Natasha Katz | Lighting Designer | 1992 - 2009 | 2 | |
| Katz, Lorley | Lorley Katz | Actor | 1954 | 1 | |
| Katz, Leon | Leon Katz | Adaptation, Dramaturg, Translator | 1983 | 3 | 1 |
| Katz, Joachim | Joachim Katz | Actor | 1999 | 1 | |
| Katz, Bernice | Bernice Katz | Actor | 1951 - 1952 | 2 | |
| Katz, Alex | Alex Katz | Designer | 1968 | 1 | |
| Katyal, Anjum | Anjum Katyal | Dramaturg | 2009 | 1 | |
| Katušić-Balen, Ankica | Ankica Katušić-Balen | Translator | 1990 | 1 | |
| Katušić Balen, Anka | Anka Katušić Balen | Translator | 2005 - 2006 | 2 | |
| Kattwinkel, Susan | Susan Kattwinkel | Director | 2018 | 1 | |
| Kättner, Christine | Christine Kättner | Actor | 1999 | 2 | |
| Kattimani, Hulugappa | Hulugappa Kattimani | Actor | 1995 | 3 | |
| Kattenbelt, Chiel | Chiel Kattenbelt | Actor | 1997 | 1 | |
| Katt, Carmen | Carmen Katt | Actor | 1999 | 1 | |
| Katsushiba, Jiro | Jiro Katsushiba | Lighting Designer | 2018 | 2 | |
| Katsura, Hisako | Hisako Katsura | Actor | 1918 | 1 | |
| Katsumura, Masanobu | Masanobu Katsumura | Actor | 2009 | 1 | |
| Katsukura, Keiko | Keiko Katsukura | Actor | 1984 | 1 | |
| Katsioula, Elina | Elina Katsioula | Designer | 1985 | 1 | |
| Katsimichas, Giannis | Giannis Katsimichas | Actor | 1989 - 2024 | 2 | |
| Katsikis, Panagiotis | Panagiotis Katsikis | Actor | 2010 | 1 | |
| Katsika, Viky | Viky Katsika | Actor | 2020 | 1 | |
| Katsika, Vicky | Vicky Katsika (Βίκυ Κατσίκα) | Actor | 2022 | 1 | |
| Katsiadaki, Maria | Maria Katsiadaki | Actor | 1994 | 1 | |
| Katselis, Pelos | Pelos Katselis | Actor, Director, Translator | 1930 - 1994 | 8 | |
| Katseli-Mazaraki, Aleka | Aleka Katseli-Mazaraki | Actor | 1943 - 1985 | 7 | |
| Katsaris, Antonis | Antonis Katsaris | Actor | 1986 | 1 | |
| Katsafados, Thodoros | Thodoros Katsafados | Actor | 1985 - 1989 | 11 | |
| Katsadramis, Thodoros | Thodoros Katsadramis | Actor | 1956 | 2 | |
| Katris, Zack | Zack Katris | Actor | 2023 | 1 | |
| Katrina, Amy | Amy Katrina | Actor | 2012 | 1 | |
| Katranidou, Marilena | Marilena Katranidou | Assistant Director | 2016 - 2017 | 2 | |
| Katrakis, Manos | Manos Katrakis | Actor | 1935 - 1985 | 5 | |
| Katona, László | László Katona | Actor | 2005 - 2007 | 56 | 1 |
| Katona, Julius | Julius Katona | Actor | 1961 | 1 | |
| Katoh, Yasuhiro | Yasuhiro Katoh | Dramaturg | 2009 | 1 | |
| Kato, Yoshio | Yoshio Kato | Actor | 2010 | 1 | |
| Kato, Shinkichi | Shinkichi Kato | Director | 1967 | 1 | |
| Kato, Nagaharu | Nagaharu Kato | Director | 1931 - 1937 | 2 | |
| Kato, Masaharu | Masaharu Kato | Director | 1993 | 1 | |
| Kato, Kazuo | Kazuo Kato | Actor | 1978 | 1 | |
| Kato, Ichiro | Ichiro Kato | Lighting Designer | 2003 | 1 | |
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