Full Credits
23 members

Anthony Quinn
Kiril Lakota

Oskar Werner
Fr. David Telemond

David Janssen
George Faber

Vittorio De Sica
Cardinal Rinaldi

Laurence Olivier
Piotr Ilyich Kamenev

Leo McKern
Cardinal Leone

John Gielgud
The Elder Pope

Barbara Jefford
Dr. Ruth Faber

Rosemary Dexter
Chiara

Frank Finlay
Igor Bounin

Burt Kwouk
Peng

Arnoldo Foà
Gelasio

Paul Rogers
Augustinian

Clive Revill
Vucovich

Niall MacGinnis
Capuchin Monk

Isa Miranda
The Marchesa

Gerald Harper
Brian

Leopoldo Trieste
Dying Man's Friend

George Pravda
Gorshenin

Peter Copley
English Cardinal #1

Arthur Howard
English Cardinal #2

Marne Maitland
Cardinal Rahamani

Jean Rougeul
Dominican
22 members
Michael Anderson
Director
Tony Brandt
Assistant Director
John Patrick
Screenplay
James Kennaway
Screenplay
Morris L. West
Novel
George Englund
Producer
Stanley Goldsmith
Production Manager
Danilo Sabatini
Production Manager
Frederick Muller
Unit Production Manager
Ernest Day
Camera Operator
Erwin Hillier
Director of Photography
Franklin Milton
Sound Recordist
Kurt Doubrowsky
Sound Mixer
Alex North
Original Music Composer
George W. Davis
Art Direction
Edward C. Carfagno
Art Direction
Amato Garbini
Makeup Artist
Orietta Nasalli Rocca
Costume Designer
Ernest Walter
Editor
Margaret Roy Anderson
Dialogue Coach
Antonio Petrucci
Technical Advisor
Adone Terzariol
Technical Advisor