| Kominek, Karolina | Karolina Kominek | Actor | 2007 - 2009 | 2 | |
| Kołodziejska, Tatiana | Tatiana Kołodziejska | Actor | 2006 | 1 | |
| Kościuk, Michał | Michał Kościuk | Actor | 2006 - 2008 | 3 | |
| Kałużyński, Marek | Marek Kałużyński | Actor | 2006 - 2008 | 3 | |
| Karczmarska, Anna Maria | Anna Maria Karczmarska | Costume Designer, Designer | 2006 | 2 | |
| Korpalska, Anna | Anna Korpalska | Translator | 2006 | 1 | |
| Kacprzycki, Paweł | Paweł Kacprzycki | Actor | 2006 | 1 | |
| Krawczuk, Adam | Adam Krawczuk | Actor | 2005 - 2007 | 2 | |
| Kilarska, Elżbieta | Elżbieta Kilarska | Actor | 1999 | 1 | |
| Kuta, Magdalena | Magdalena Kuta | Actor | 1999 | 1 | |
| Kaczmarek, Joanna | Joanna Kaczmarek | Actor | 1999 | 1 | |
| Kaszewska, Kinga | Kinga Kaszewska | Actor | 1999 | 5 | |
| Kaczyński, Adam | Adam Kaczyński | Composer | 1978 | 1 | |
| Kronek, Ludwig | Ludwig Kronek | Actor | 1905 | 1 | |
| Kosinski, Jan | Jan Kosinski | Designer | 1957 | 1 | |
| Krzemiński , Władysław | Władysław Krzemiński | Director | 1957 | 1 | |
| Kaliszewski, Jerzy | Jerzy Kaliszewski | Actor | 1957 | 1 | |
| Krzyżanowski, Ryszard | Ryszard Krzyżanowski | Actor | 1957 | 1 | |
| Kurek, Kazimierz | Kazimierz Kurek | Actor | 1959 | 1 | |
| Kubalski , Tadeusz | Tadeusz Kubalski | Actor, Director | 1955 | 3 | |
| Kurowski, Piotr | Piotr Kurowski | Actor | 1957 | 1 | |
| Kumlin, Tom | Tom Kumlin | Lighting Designer | 2001 - 2008 | 2 | |
| Kąkol, Stefan | Stefan Kąkol | Actor | 1960 | 1 | |
| Koronkiewicz, Teofila | Teofila Koronkiewicz | Actor | 1962 | 1 | |
| Kęstowicz, Zygmunt | Zygmunt Kęstowicz | Actor | 1963 | 1 | |
| Krzewicki, Jan | Jan Krzewicki | Designer | 1963 | 1 | |
| Kaszycki, Lucjan | Lucjan Kaszycki | Composer | 1963 | 1 | |
| Keppler, Melanie | Melanie Keppler | Actor | 2014 | 1 | |
| Kamenov, Petko | Petko Kamenov | Actor | 2001 | 1 | |
| Karni Cohen, Adam | Adam Karni Cohen | Director | 2001 | 1 | |
| Krause, Mark | Mark Krause | Designer | 2001 | 1 | |
| Kahler, Karen | Karen Kahler | Actor | 2001 | 1 | |
| Knowles, Patrick | Patrick Knowles | Actor | 2001 | 1 | |
| Kristjánsdóttir, María | María Kristjánsdóttir | Director | 2001 - 2002 | 1 | |
| Koziakova, Elena | Elena Koziakova | Dancer | 2001 | 6 | |
| Kiss, Attila, Seprődi | Attila Seprődi Kiss | Director | 1972 | 1 | |
| Király , József | József Király | Actor | 1972 | 1 | |
| Krizsovánszky, Sidonia | Sidonia Krizsovánszky | Actor | 1972 | 1 | |
| Kudelász , Ildikó | Ildikó Kudelász | Actor | 1972 | 1 | |
| Kivu, Ionuţ | Ionuţ Kivu | Actor | 2009 - 2010 | 1 | |
| Knaack, Peter | Peter Knaack | Actor | 2005 - 2019 | 5 | |
| Kangkang, Luo | Luo Kangkang | Actor | 2005 - 2006 | 8 | |
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