John Mills

Monsignor Blaise Meredith

Stéphane Audran

Contess Anne Di Sanctis

Jason Miller

Dr. Aldo Meyer

Paola Pitagora

Nina Sanduzzi

Leigh Lawson

Giacomo Nerone / James Black

Timothy West

Father Anselmo

Patrick Mower

'Il Lupo'

Raf Vallone

Bishop Aurelio

Romolo Valli

Cardinal Marotta

Jack Hedley

Doctor

Daniel Massey

Nicholas Black

Guy Green

Director

Morris L. West

Novel

Morris L. West

Screenplay

Lutz Hengst

Producer

Helmut Jedele

Producer

Bert Grund

Original Music Composer

Billy Williams

Director of Photography

Stefan Arnsten

Editor

Werner Achmann

Art Direction

Franco Carretti

Costume Design

Karl Lagerfeld

Costume Design

Lester C. Muller

Assistant Director

Rolf Zehetbauer

Production Designer