Marcus Vinicius

Robert Taylor

Lygia

Deborah Kerr

Nero

Peter Ustinov

Petronius

Leo Genn

Poppaea

Patricia Laffan

Peter

Finlay Currie

Paul

Abraham Sofaer

Eunice

Marina Berti

Ursus

Buddy Baer

Ursus

Buddy Baer

Plautius

Felix Aylmer

Pomponia

Nora Swinburne

Tigellinus

Ralph Truman

Nerva

Norman Wooland

Nazarius

Peter Miles

Terpnos

Geoffrey Dunn

Seneca

Nicholas Hannen

Seneca

Nicholas Hannen

Acte

Rosalie Crutchley

Phaon

D.A. Clarke-Smith

Chilo

John Ruddock

Croton

Arthur Walge

Miriam

Elspeth March

Rufia

Strelsa Brown

Lucan

Alfredo Varelli

Flavius

Roberto Ottaviano

Anaxander

William Tubbs

Galba

Pietro Tordi

Pedicurist

Lia DeLeo

Extra

Sophia Loren

Guard Captain

William Taylor

Guest

Elizabeth Taylor

Walter Pidgeon

Dancer - Assyrian Dance at Nero's Banquet

Marika Aba

Wine Bibber

Adriano Ambrogi

Undetermined Role

Anna Arena

Christian Prisoner in Arena

Alfred Baillou

Senator

Giacomo Barnas

Fisherman

Scott R. Beal

Officer

John Binns

Slave Girl

Francesca Biondi

Serving Woman

Alice Bishop-Skinner

Noble

Carlo Borelli

Hasta - 2nd Praetorian

Leslie Bradley

Undetermined Role

Alfred Brown

Undetermined Role

Phyllis Brown

Mirmillon

Valentino Bruchi

Director

Anthony Mann

Director

Mervyn LeRoy