| Knipe, Jennifer | Jennifer Knipe | Actor | 2003 | 1 | |
| Kenworthy, Melliss | Melliss Kenworthy | Actor | 2003 | 1 | 1 |
| Keogan, Paul | Paul Keogan | Adaptation, Lighting Designer | 2003 | 3 | 1 |
| Kemp, Richard | Richard Kemp | Actor | 2003 | 1 | |
| Keitel, Richard | Richard Keitel | Director | 2003 | 1 | |
| Kim, Willa | Willa Kim | Costume Designer | 2003 | 1 | |
| Kempers, Cornelia | Cornelia Kempers | Actor | 2003 | 4 | 1 |
| Kubicki, Przemyslaw | Przemyslaw Kubicki | Actor | 2003 | 4 | |
| Klimke, Christoph | Christoph Klimke | Dramaturg | 2003 | 2 | |
| Kostopoulos, Nassos | Nassos Kostopoulos | Actor | 2003 | 1 | |
| Kjellberg, Saskia | Saskia Kjellberg | Actor | 2003 | 1 | |
| Kjellberg, Elin | Elin Kjellberg | Actor | 2003 | 1 | |
| Karkkonen, Sara | Sara Karkkonen | Actor | 2003 | 1 | |
| Kyander, Melker | Melker Kyander | Actor | 2003 | 1 | |
| Kefirova, Maria | Maria Kefirova | Actor, Choreographer | 2003 | 2 | |
| Kijek, Stefan | Stefan Kijek | Actor | 2003 | 1 | |
| Kijek, Ben | Ben Kijek | Actor | 2003 | 1 | |
| Karyo, Tcheky | Tcheky Karyo | Actor | 2003 | 6 | |
| Kéruzoré, Valérie | Valérie Kéruzoré | Actor | 2003 | 6 | |
| Kaplan, Jérôme | Jérôme Kaplan | Costume Designer | 2003 | 6 | |
| Kolonko, Bartosz | Bartosz Kolonko | Actor | 2003 | 1 | |
| Kröck, Olaf | Olaf Kröck | Dramaturg | 2003 | 1 | |
| Keller, Sarah | Sarah Keller | Actor | 2003 | 1 | |
| Kodde, Annelore | Annelore Kodde | Dramaturg | 2003 | 1 | |
| Kaufman, Amy | Amy Kaufman | Costume Designer | 2003 | 1 | |
| Krauss, Emera Felice | Emera Felice Krauss | Actor | 2003 | 1 | |
| Kato, Ichiro | Ichiro Kato | Lighting Designer | 2003 | 1 | |
| Kyriazis, Varnavas | Varnavas Kyriazis | Actor, Director | 2003 - 2004 | 2 | |
| Korink, Petra | Petra Korink | Designer | 2003 - 2004 | 3 | |
| Kreibohm, Lydia | Lydia Kreibohm | Actor | 2003 - 2004 | 3 | |
| Kokoris, Stathis | Stathis Kokoris | Actor | 2003 - 2004 | 2 | |
| Konomi, Maria | Maria Konomi | Designer | 2003 - 2004 | 2 | |
| Kristensen, Ritta | Ritta Kristensen | Actor | 2003 - 2004 | 8 | |
| Keller, Tom | Tom Keller | Actor | 2003 - 2004 | 8 | |
| Kolbe, Thomas | Thomas Kolbe | Actor | 2003 - 2005 | 4 | |
| Kostrova, Elena | Elena Kostrova | Actor | 2003 - 2005 | 4 | |
| Kucharesin, Valerij | Valerij Kucharesin | Actor | 2003 - 2006 | 2 | 1 |
| Kammer, Friederike | Friederike Kammer | Actor | 2003 - 2007 | 6 | 1 |
| Kania, Grazyna | Grazyna Kania | Director | 2003 - 2007 | 3 | |
| Kapeljus, Emil Borosovich | Emil Borosovich Kapeljus | Costume Designer, Designer | 2003 - 2008 | 5 | 1 |
| Kristoffersen, Ingunn | Ingunn Kristoffersen | Actor | 2003 - 2008 | 3 | |
| Kraft, Iris | Iris Kraft | Costume Designer, Designer | 2003 - 2009 | 7 | 1 |
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