- Author:
- Fritz Hochwalder
- Author (French version):
- J. Mercure
- Author (French version):
- R. Thieberger
- Adapted by:
- Eva Le Gallienne
- Designer:
- Guy Sheppard
- Producer:
- Adrian Waller
- Father Rochus Lieberman:
- Will Leighton
- Candia:
- Anthony Chin
- Naguacu:
- George Eugeniou
- Father Provincial:
- Donald Wolfit
- Father Ladislaus Oros:
- David Oxley
- Jose Bustillos:
- Ernest Hare
- Father Reinegg:
- Leslie Smith
- Andre Cornells:
- Derek Oldham
- Father William Clarke:
- Douglas Quayle
- Don Pedro de Miura:
- Robert Harris
- Sergeant:
- Peter Noel Cook
- Spanish Soldier:
- David Turnbull
- Captain Villano:
- Colin Douglas
- Captain Arago:
- Ronald Harwood
- Lorenzo Querini:
- Ernest Milton
- Archbishop Carlos Gervanzoni:
- Llewellyn Rees
- Garcia Queseda:
- Joseph Chelton
- Alvaro Catalde:
- Alan Wilson
- Acatu:
- Saul David
- Barrigua:
- Horace Sequeira
- Also taking part:
- Alice Allenby
- Also taking part:
- Tony Burton
- Also taking part:
- Winston Bygraves
- Also taking part:
- John Doye
- Also taking part:
- Castell Ferron
- Also taking part:
- David Grahame
- Also taking part:
- Vincent Hitchcock
- Also taking part:
- Neville Pearson
- Also taking part:
- Carlos Raphael
- Also taking part:
- Edith Rebello
- Also taking part:
- Andrew Somair
- Also taking part:
- Paul Stassino
- Also taking part:
- Laurel Thompson
- Also taking part:
- Alexander Xavier