Dr. Milena Starska / ... (203 episodes, 2003-2014)
Katarzyna Dabrowska
Dr. Wiktoria Manuela Consalida (191 episodes, 2008-2014)
Radoslaw Krzyzowski
Dr. Michal Sambor
Grazyna Zielinska
Maria Zbiec (186 episodes, 2001-2014)
Marian Opania
Prof. Tadeusz Zybert (182 episodes, 1999-2014)
Cezary Kosinski
Dr. Jacek Mejer
Marcin Rogacewicz
Dr. Przemyslaw Zapala (170 episodes, 2008-2014)
Did you know?
Trivia
By the end of the 8th season (June 2007) Malgorzata Foremniak and Artur Zmijewski are the only original cast members who still appear regularly on the show. However, they did not act in all 299 episodes produced from 1999 until now.