Marcus Vinicius
Robert Taylor
Lygia
Deborah Kerr
Pomponia
Nora Swinburne
Fisherman (uncredited)
Harry J. Vejar
Slave Girl (uncredited)
Romilda Villani
Woman (uncredited)
Maria Zanoli
Chariot Driver (uncredited)
Christopher Lee
Tigellinus
Ralph Truman
Nerva
Norman Wooland
Nazarius
Peter Miles
Terpnos
Geoffrey Dunn
Seneca
Nicholas Hannen
Phaon
D.A. Clarke-Smith
Acte
Rosalie Crutchley
Chilo
John Ruddock
Croton
Arthur Walge
Petronius
Leo Genn
Miriam
Elspeth March
Rufia
Strelsa Brown
Lucan
Alfredo Varelli
Flavius
Roberto Ottaviano
Anaxander
William Tubbs
Galba
Pietro Tordi
Dancer at Nero's Banquet (uncredited)
Marika Aba
Wine Bibber (uncredited)
Adriano Ambrogi
Anna Arena
Christian Prisoner in Arena (uncredited)
Alfred Baillou
Nero
Peter Ustinov
Senator (uncredited)
Giacomo Barnas
Scott R. Beal
Officer (uncredited)
John Binns
Francesca Biondi
Noble (uncredited)
Carlo Borelli
Hasta (2nd Praetorian) (uncredited)
Leslie Bradley
Man (uncredited)
Alfred Brown
Mirmillon (uncredited)
Valentino Bruchi
Dante Ciriaci
Frank Colson
Poppaea
Patricia Laffan
Young Christian Girl (uncredited)
Adrienne Corri
Old Man (uncredited)
Luca Cortese
Little Boy (uncredited)
David Craig
Apostle (uncredited)
Daniel de Jonghe
Liana Del Balzo
Jack Del Rio
Pedicurist (uncredited)
Lia Di Leo
Franco Fantasia
Cesare Fasulo
Al Ferguson
Peter
Finlay Currie
Mounted Captain (uncredited)
Enzo Fiermonte
Man with Wine Cup (uncredited)
Enrico Formichi
Young Unbaptized Man (uncredited)
John Fostini
Dino Galvani
Slave (uncredited)
Richard Garrick
Jack George
Guard (uncredited)
Carlo Ghisini
Trudy Glassford
Joan Griffiths
Christ (voice) (uncredited)
Robin Hughes
Paul
Abraham Sofaer
Adam Jennette
Philip Kieffer
Gipsy Kiss
Lee Kresel
Richard Larke
Lygia's Slave (uncredited)
Sophia Loren
Banquet Man (uncredited)
Giovanni Lovatelli
Older Woman (uncredited)
Helena Makowska
Nubian Slave Girl (uncredited)
Anna Mancini
Michael Mark
Eunice
Marina Berti
Parmenida (uncredited)
Clelia Matania
Legionnaire (uncredited)
Richard McNamara
Harriet Medin
Lydia's Guard (uncredited)
Dario Michaelis
Ernesto Molinari
John Myhers
Vincent Neptune
Young Unbaptized Woman (uncredited)
Anna Maria Padoan
Louis Payne
Narrator (voice) (uncredited)
Walter Pidgeon
Ursus
Buddy Baer
Headkeeper (uncredited)
Aldo Pini
Steward (uncredited)
Alberto Plebani
Crying Girl (uncredited)
Paola Quattrini
Dino Raffaelli
George Restivo
Hairdresser (uncredited)
Alfredo Rizzo
Guard Tying the Christians (uncredited)
Amerigo Santarelli
Leonardo Scavino
Alessandro Serbaroli
Imperial Guard (uncredited)
Bud Spencer
Plautius
Felix Aylmer
Raffaele Tana
Elizabeth Taylor
Guard Captain / Marcus' Guard (uncredited)
William Taylor
Centurian (uncredited)
Michael Tor
Wrestler (uncredited)
Giuseppe Tosi
Carlo Tricoli
Renato Valente
White Slave Girl (uncredited)
Scilla Vannucci
Giuseppe Varni
Dianora Veiga
Original Music Composer
Miklós Rózsa
Second Assistant Director
Anthony Mann
Director
Mervyn LeRoy
Screenplay
John Lee Mahin
Sound Recordist
Douglas Shearer
Sonya Levien
Novel
Henryk Sienkiewicz
Casting
Irene Howard
Special Effects
A. Arnold Gillespie
S. N. Behrman
Art Direction
Cedric Gibbons
Editor
Ralph E. Winters
Second Unit Director
Sergio Leone
Hair Designer
Sydney Guilaroff
Producer
Sam Zimbalist
Director of Photography
William V. Skall
Robert Surtees
Additional Writing
Hugh Gray
Makeup Supervisor
Charles E. Parker
Joan Johnstone
Choreographer
Aurel Milloss
Marta Obolensky
Lyricist
Orchestrator
Eugene Zador
Assistant Camera
Arthur Lemming
Camera Operator
George Pink
John Schmitz
Stunts
Nuno Salvação Barreto
Stunt Coordinator
Alfred Schneider
Tom Howard
Donald Jahraus
Belita Pechtl Klant
Jean Michon
Assistant Sound Designer
Piero Cavazzuti
Sound
Robert B. Lee
George G. Schneider
Set Designer
Al Goodman
Italo Tomassi
Assistant Director
Peter Bolton
Edward C. Carfagno
William A. Horning
Set Decoration
Hugh Hunt
Elso Valentini
Mel Ballerino
Costume Design
Herschel McCoy