On screen
Cast
13 credited performers
Frank Gillard
Narrator (voice)
Arthur Lowe
Louis Pasteur
Artwork unavailable
Antonia Pemberton
Marie Pasteur
Charles Kay
Roux
James Grout
Robert Koch
Artwork unavailable
Robert Arnold
Children's Doctor
Peter Wear
Officer (uncredited)
Artwork unavailable
Michael Griffiths
Chamberland
John Normington
Grancher
Keith Drinkel
Loir
Milo O'Shea
Paul Erlich
Michael Gough
Sir Almroth Wright
Clifford Rose
Herxheimer