Robert Taylor
Role: Marcus Vinicius
Patricia Laffan
Role: Poppaea
Felix Aylmer
Role: Plautius
Nora Swinburne
Role: Pomponia
Ralph Truman
Role: Tigellinus
Norman Wooland
Role: Nerva
Peter Miles
Role: Nazarius
Geoffrey Dunn
Role: Terpnos
Nicholas Hannen
Role: Seneca
D.A. Clarke-Smith
Role: Phaon
Rosalie Crutchley
Role: Acte
Elspeth March
Role: Miriam
Alfredo Varelli
Role: Lucan
Roberto Ottaviano
Role: Flavius
William Tubbs
Role: Anaxander
Marika Aba
Role: Dancer at Nero's Banquet (uncredited)
Adriano Ambrogi
Role: Wine Bibber (uncredited)
Anna Arena
Role: Woman (uncredited)
Alfred Baillou
Role: Christian Prisoner in Arena (uncredited)
Giacomo Barnas
Role: Senator (uncredited)
Scott R. Beal
Role: Fisherman (uncredited)
John Binns
Role: Officer (uncredited)
Francesca Biondi
Role: Slave Girl (uncredited)
Carlo Borelli
Role: Noble (uncredited)
Leslie Bradley
Role: Hasta (2nd Praetorian) (uncredited)
Alfred Brown
Role: Man (uncredited)
Valentino Bruchi
Role: Mirmillon (uncredited)
Dante Ciriaci
Role: Wine Bibber (uncredited)
Frank Colson
Role: Man (uncredited)
Adrienne Corri
Role: Young Christian Girl (uncredited)
Luca Cortese
Role: Old Man (uncredited)
David Craig
Role: Little Boy (uncredited)
Daniel de Jonghe
Role: Apostle (uncredited)
Liana Del Balzo
Role: Woman (uncredited)
Jack Del Rio
Role: Apostle (uncredited)
Lia Di Leo
Role: Pedicurist (uncredited)
Franco Fantasia
Role: Man (uncredited)
Cesare Fasulo
Role: Noble (uncredited)
Al Ferguson
Role: Apostle (uncredited)
Enzo Fiermonte
Role: Mounted Captain (uncredited)
Enrico Formichi
Role: Man with Wine Cup (uncredited)
John Fostini
Role: Young Unbaptized Man (uncredited)
Dino Galvani
Role: Senator (uncredited)
Richard Garrick
Role: Slave (uncredited)
Jack George
Role: Fisherman (uncredited)
Carlo Ghisini
Role: Guard (uncredited)
Trudy Glassford
Role: Woman (uncredited)
Joan Griffiths
Role: Woman (uncredited)
Robin Hughes
Role: Christ (voice) (uncredited)
Adam Jennette
Role: Man (uncredited)
Philip Kieffer
Role: Apostle (uncredited)
Gipsy Kiss
Role: Slave Girl (uncredited)
Lee Kresel
Role: Man (uncredited)
Richard Larke
Role: Guard (uncredited)
Sophia Loren
Role: Lygia's Slave (uncredited)
Giovanni Lovatelli
Role: Banquet Man (uncredited)
Helena Makowska
Role: Older Woman (uncredited)
Anna Mancini
Role: Nubian Slave Girl (uncredited)
Michael Mark
Role: Fisherman (uncredited)
Clelia Matania
Role: Parmenida (uncredited)
Richard McNamara
Role: Legionnaire (uncredited)
Harriet Medin
Role: Woman (uncredited)
Dario Michaelis
Role: Lydia's Guard (uncredited)
Ernesto Molinari
Role: Fisherman (uncredited)
John Myhers
Role: Guard (uncredited)
Vincent Neptune
Role: Apostle (uncredited)
Anna Maria Padoan
Role: Young Unbaptized Woman (uncredited)
Louis Payne
Role: Apostle (uncredited)
Walter Pidgeon
Role: Narrator (voice) (uncredited)
Aldo Pini
Role: Headkeeper (uncredited)
Alberto Plebani
Role: Steward (uncredited)
Paola Quattrini
Role: Crying Girl (uncredited)
Dino Raffaelli
Role: Man (uncredited)
George Restivo
Role: Apostle (uncredited)
Alfredo Rizzo
Role: Hairdresser (uncredited)
Amerigo Santarelli
Role: Guard Tying the Christians (uncredited)
Leonardo Scavino
Role: Man (uncredited)
Alessandro Serbaroli
Role: Officer (uncredited)
Bud Spencer
Role: Imperial Guard (uncredited)
Raffaele Tana
Role: Man (uncredited)
Elizabeth Taylor
Role: Christian Prisoner in Arena (uncredited)
William Taylor
Role: Guard Captain / Marcus' Guard (uncredited)
Michael Tor
Role: Centurian (uncredited)
Giuseppe Tosi
Role: Wrestler (uncredited)
Carlo Tricoli
Role: Apostle (uncredited)
Renato Valente
Role: Guard (uncredited)
Scilla Vannucci
Role: White Slave Girl (uncredited)
Giuseppe Varni
Role: Hairdresser (uncredited)
Dianora Veiga
Role: Slave Girl (uncredited)
Harry J. Vejar
Role: Fisherman (uncredited)
Romilda Villani
Role: Slave Girl (uncredited)
Maria Zanoli
Role: Woman (uncredited)
Christopher Lee
Role: Chariot Driver (uncredited)
Filippo Spoletini
Role: (uncredited)
