Argan is a severe hypochondriac who wants his daughter to marry a doctor.
Bernt CallenboDirector
Argan, hypokondriker
Béline, Argans andra hustru
Angélique, Argans dotter
Louison
Béralde
Toinette, Argans kammarjungfru
Cléante, Angéliques fästman
Dr. Diafoirus, läkare
Thomas Diafoirus, hans son
Dr. Purgon, Argans doktor
Notarie Bonnefoi
Apotekare Fleurant
