- Writer/Director:
- Nesta Pain
- Producer:
- Rex Tucker
- Music specially composed by:
- John Hotchkis
- Film Cameraman:
- Len Newson
- Film Editor:
- Ron de Mattos
- Designer:
- Susan Spence
- Pasteur:
- Hugh David
- Marie Pasteur:
- Margaret Barton
- M. Dumas:
- Philip Ray
- Zizi:
- Frances Guthrie
- M. Dupont:
- Gerald C. Lawson
- First grower:
- Philip Lennard
- Second grower:
- Richard Statman
- Napoleon III:
- Heron Carvic
- Court Official:
- Michael Anthony
- Professor Balard:
- John N. Gordon
- Surgeon:
- William Mervyn
- Surgeon's assistant:
- David Ludman
- Patient:
- Joseph Levine
