Sid James

Marc Antony

Kenneth Williams

Caeser

Jim Dale

Horsa

Amanda Barrie

Cleopatra

Joan Sims

Calpurnia

Kenneth Connor

Hengist Pod

Charles Hawtrey

Seneca

Julie Stevens

Gloria

Brian Oulton

Brutus

Michael Ward

Archimedes

Francis de Wolff

Agrippa

Victor Maddern

Segeant-Major

Sheila Hancock

Senna Pod

Jon Pertwee

Soothsayer

Gertan Klauber

Marcus

Warren Mitchell

Spencius

David Davenport

Bilius

Tanya Binning

Virginia

Tom Clegg

Sosages

Peter Gilmore

Galley Master

Michael Nightingale

Ancient Briton

Ian Wilson

Small Messenger

Peter Jesson

Seth

Brian Rawlinson

Hessian Driver

E. V. H. Emmett

Narrator (voice)

Wanda Ventham

Pretty Bidder (uncredited)

Mark Hardy

Guard at Caesar's Palace (uncredited)

Percy Herbert

Guard (uncredited)

Norman Mitchell

Heckler (uncredited)

Jill Goldston

Citizen (uncredited)

Gerald Thomas

Director

Talbot Rothwell

Author

Alan Hume

Director of Photography

Peter Rogers

Producer

Eric Rogers

Original Music Composer

Archie Ludski

Editor

Julie Harris

Costume Design

David James

Still Photographer

Anglo-Amalgamated Film Distributors