Patrick Bonnel
as Louis Pasteur
Pierre Hiessler
as Robert Koch
Paul Lefèvre
as Emile Roux
Françoise Miquelis
as Marie Pasteur
Charlotte Krenz
as Emmy Koch
Blanche Launay
as Gertrud Koch
Céline Jorrion
as Mme Meister
Mathis Druenne
as Joseph Meister
Cédric Zimmerlin
as M. Gaffky
Léa Schwartz
as Hedwige
Laurent Ferraro
as M. Rossignol
Philippe Bertin
as M. Kaufer
