 Philippe VolterIgnaz Philippe Semmelweis | Ignaz Philippe Semmelweis |
 Marc de JongeProfessor Klein | Professor Klein |
 Fanny BastienKatia | Katia |
 Maria PakulnisBaroness Olga von Melck | Baroness Olga von Melck |
 Henryk BistaProfessor Skoda | Professor Skoda |
 Henryk TalarAlbert Lothar | Albert Lothar |
 Piotr GąsowskiMarkusovsky | Markusovsky |
 Piotr PolkGruber | Gruber |
 Krzysztof KumorDoctor Bartch | Doctor Bartch |
 Małgorzata PieczyńskaCountess | Countess |
 Hanna PolkRosa | Rosa |
 Paweł NowiszHospital Porter | Hospital Porter |
 Paweł BurczykMuller | Muller |
 Ewa TelegaSister Maria Teresa | Sister Maria Teresa |
 Małgorzata RożniatowskaSister Teresa | Sister Teresa |
 Leon NiemczykCommittee Chairman | Committee Chairman |
 Wojciech KlataYoung Man | Young Man |
 Wojciech KowmanKlein's Student | Klein's Student |
 Piotr SzwedesKlein's Student | Klein's Student |
 Marcin KlepackiBraun | Braun |
 Piotr BajorCommittee Member (uncredited) | Committee Member (uncredited) |
 Marek CichuckiKlein's Student (uncredited) | Klein's Student (uncredited) |
 Grzegorz EmanuelWalter (uncredited) | Walter (uncredited) |
 Marek FrąckowiakLecturer at the Autopsy (uncredited) | Lecturer at the Autopsy (uncredited) |
 Krzysztof KiersznowskiDoctor (uncredited) | Doctor (uncredited) |
| MMarek MarcinkowskiCommittee Member (uncredited) | Committee Member (uncredited) |
 Mirosława NiemczykRosa's Friend (uncredited) | Rosa's Friend (uncredited) |
 Anna Teresa NowakPatient (uncredited) | Patient (uncredited) |
 Andrzej PrecigsCommittee Member (uncredited) | Committee Member (uncredited) |
 Jerzy PróchnickiCommittee Member (uncredited) | Committee Member (uncredited) |