| Kostousov, V. | V. Kostousov | Actor | 1987 | 1 | |
| Kilipenko, N. | N. Kilipenko | Actor | 1987 | 1 | |
| Kregžde, Evgenija | Evgenija Kregžde | Actor | 2019 | 1 | |
| Kamenskaja, E. | E. Kamenskaja | Actor | 1962 | 1 | |
| Kazmina, D. | D. Kazmina | Actor | 1957 | 1 | |
| Kazakov, Nikolai, Alekseevič | Nikolai Alekseevič Kazakov | Actor | 1968 | 1 | |
| Kassis, José Luis | José Luis Kassis | Actor | 2004 | 2 | |
| Kaisi, Fajer | Fajer Kaisi | Actor | 2020 | 1 | |
| Kornev, V. | V. Kornev | Actor | 1990 | 1 | |
| Kliščevskaja, E. | E. Kliščevskaja | Actor | 1990 | 1 | |
| Ktorov, Anatolij | Anatolij Ktorov | Actor | 1931 | 1 | |
| King, Loryn | Loryn King | Actor | 2019 | 1 | |
| Klainer, Sergio | Sergio Klainer | Actor | 1980 - 1994 | 2 | |
| Kossi, Enrique | Enrique Kossi | Actor | 1972 | 1 | |
| Klamar, Natalie | Natalie Klamar | Actor | 2020 - 2023 | 2 | |
| Koehn, Sarah | Sarah Koehn | Actor | 2016 | 1 | |
| Khiari, Badis | Badis Khiari | Actor | 2017 | 1 | |
| Kay, Jonathan | Jonathan Kay | Actor | 2020 | 2 | |
| Krylov, Vladimir | Vladimir Krylov | Actor | 2016 | 1 | |
| Krylov, Vova | Vova Krylov | Actor | 2016 | 1 | |
| Kolesnikova, Tamara | Tamara Kolesnikova | Actor | 2011 | 1 | |
| Kalmykova, Olga | Olga Kalmykova | Actor | 2011 | 1 | |
| Katsika, Viky | Viky Katsika | Actor | 2020 | 1 | |
| Kontos, Giannis | Giannis Kontos | Actor | 2020 | 1 | |
| Kuhar, Svetlana | Svetlana Kuhar | Actor | 2016 | 1 | |
| Kugai, Denis | Denis Kugai | Actor | 2014 | 1 | |
| Kasyanova, Ksenia | Ksenia Kasyanova | Actor | 2014 | 1 | |
| Kolesnik, Konstantin | Konstantin Kolesnik | Actor | | 1 | |
| Kručinina, Valerija | Valerija Kručinina | Actor | | 1 | |
| Kakeeva, Elvira | Elvira Kakeeva | Actor | 2001 | 1 | |
| Krasko, Ivan | Ivan Krasko | Actor | 1968 | 1 | |
| Kuznecova, Antonina | Antonina Kuznecova | Actor | 1993 | 1 | |
| Konstantinov, Petr | Petr Konstantinov | Actor | 1972 | 1 | |
| Kulagin, Valentin, Olegovič | Valentin Olegovič Kulagin | Actor | 2019 | 1 | |
| Krasnova, Natalija | Natalija Krasnova | Actor | 2009 | 1 | |
| Karlsen, Amund, Sigurdssønn | Amund Sigurdssønn Karlsen | Actor | 2020 | 3 | |
| Karaklajić, Lana | Lana Karaklajić | Actor | 2013 | 1 | |
| König, Michael | Michael König | Actor | 2017 - 2023 | 2 | |
| Kinsolving, Caroline | Caroline Kinsolving | Actor | 2017 | 1 | |
| Kilyén, László | László Kilyén | Actor | 2019 | 2 | |
| Keramatloo, Fatemeh | Fatemeh Keramatloo | Actor | 2018 - 2020 | 2 | |
| Kafkas, Giorgos | Giorgos Kafkas | Actor | 2020 | 1 | |
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