Casts

• 

  Robert Taylor

  Marcus Vinicius

• 

  Deborah Kerr

  Lygia

• 

  Leo Genn

  Petronius

• 

  Peter Ustinov

  Nero

• 

  Patricia Laffan

  Poppaea

• 

  Finlay Currie

  Peter

• 

  Abraham Sofaer

  Paul

• 

  Marina Berti

  Eunice

• 

  Buddy Baer

  Ursus

• 

  Felix Aylmer

  Plautius

• 

  Nora Swinburne

  Pomponia

• 

  Ralph Truman

  Tigellinus

• 

  Norman Wooland

  Nerva

• 

  Peter Miles

  Nazarius

• Geoffrey Dunn

  Terpnos

• 

  Nicholas Hannen

  Seneca

• 

  D.A. Clarke-Smith

  Phaon

• 

  Rosalie Crutchley

  Acte

• 

  John Ruddock

  Chilo

• Arthur Walge

  Croton

• Elspeth March

  Miriam

• Strelsa Brown

  Rufia

• 

  Alfredo Varelli

  Lucan

• Roberto Ottaviano

  Flavius

• 

  William Tubbs

  Anaxander

• 

  Pietro Tordi

  Galba

• Marika Aba

  Dancer at Nero's Banquet (uncredited)

• Adriano Ambrogi

  Wine Bibber (uncredited)

• 

  Anna Arena

  Woman (uncredited)

• 

  Alfred Baillou

  Christian Prisoner in Arena (uncredited)

• Giacomo Barnas

  Senator (uncredited)

• Scott R. Beal

  Fisherman (uncredited)

• John Binns

  Officer (uncredited)

• Francesca Biondi

  Slave Girl (uncredited)

• Carlo Borelli

  Noble (uncredited)

• 

  Leslie Bradley

  Hasta (2nd Praetorian) (uncredited)

• 

  Alfred Brown

  Man (uncredited)

• Valentino Bruchi

  Mirmillon (uncredited)

• Dante Ciriaci

  Wine Bibber (uncredited)

• Frank Colson

  Man (uncredited)

• 

  Adrienne Corri

  Young Christian Girl (uncredited)

• Luca Cortese

  Old Man (uncredited)

• David Craig

  Little Boy (uncredited)

• Daniel de Jonghe

  Apostle (uncredited)

• Liana Del Balzo

  Woman (uncredited)

• Jack Del Rio

  Apostle (uncredited)

• 

  Lia Di Leo

  Pedicurist (uncredited)

• 

  Franco Fantasia

  Man (uncredited)

• Cesare Fasulo

  Noble (uncredited)

• 

  Al Ferguson

  Apostle (uncredited)

• 

  Enzo Fiermonte

  Mounted Captain (uncredited)

• Enrico Formichi

  Man with Wine Cup (uncredited)

• John Fostini

  Young Unbaptized Man (uncredited)

• 

  Dino Galvani

  Senator (uncredited)

• 

  Richard Garrick

  Slave (uncredited)

• Jack George

  Fisherman (uncredited)

• Carlo Ghisini

  Guard (uncredited)

• Trudy Glassford

  Woman (uncredited)

• Joan Griffiths

  Woman (uncredited)

• 

  Robin Hughes

  Christ (voice) (uncredited)

• Adam Jennette

  Man (uncredited)

• Philip Kieffer

  Apostle (uncredited)

• Gipsy Kiss

  Slave Girl (uncredited)

• Lee Kresel

  Man (uncredited)

• Richard Larke

  Guard (uncredited)

• 

  Sophia Loren

  Lygia's Slave (uncredited)

• Giovanni Lovatelli

  Banquet Man (uncredited)

• 

  Helena Makowska

  Older Woman (uncredited)

• Anna Mancini

  Nubian Slave Girl (uncredited)

• 

  Michael Mark

  Fisherman (uncredited)

• 

  Clelia Matania

  Parmenida (uncredited)

• 

  Richard McNamara

  Legionnaire (uncredited)

• 

  Harriet Medin

  Woman (uncredited)

• Dario Michaelis

  Lydia's Guard (uncredited)

• Ernesto Molinari

  Fisherman (uncredited)

• 

  John Myhers

  Guard (uncredited)

• Vincent Neptune

  Apostle (uncredited)

• Anna Maria Padoan

  Young Unbaptized Woman (uncredited)

• 

  Louis Payne

  Apostle (uncredited)

• 

  Walter Pidgeon

  Narrator (voice) (uncredited)

• 

  Aldo Pini

  Headkeeper (uncredited)

• 

  Alberto Plebani

  Steward (uncredited)

• 

  Paola Quattrini

  Crying Girl (uncredited)

• Dino Raffaelli

  Man (uncredited)

• George Restivo

  Apostle (uncredited)

• 

  Alfredo Rizzo

  Hairdresser (uncredited)

• 

  Amerigo Santarelli

  Guard Tying the Christians (uncredited)

• 

  Leonardo Scavino

  Man (uncredited)

• Alessandro Serbaroli

  Officer (uncredited)

• 

  Bud Spencer

  Imperial Guard (uncredited)

• Raffaele Tana

  Man (uncredited)

• 

  Elizabeth Taylor

  Christian Prisoner in Arena (uncredited)

• William Taylor

  Guard Captain / Marcus' Guard (uncredited)

• Michael Tor

  Centurian (uncredited)

• Giuseppe Tosi

  Wrestler (uncredited)

• Carlo Tricoli

  Apostle (uncredited)

• Renato Valente

  Guard (uncredited)

• Scilla Vannucci

  White Slave Girl (uncredited)

• Giuseppe Varni

  Hairdresser (uncredited)

• Dianora Veiga

  Slave Girl (uncredited)

• 

  Harry J. Vejar

  Fisherman (uncredited)

• Romilda Villani

  Slave Girl (uncredited)

• 

  Maria Zanoli

  Woman (uncredited)

• 

  Christopher Lee

  Chariot Driver (uncredited)

• 

  Filippo Spoletini

  (uncredited)