Glenda Jackson

Lady Hamilton

Peter Finch

Adm. Lord Horatio Nelson

Michael Jayston

Capt. Hardy

Anthony Quayle

Lord Minto

Margaret Leighton

Lady Frances Nelson

Dominic Guard

Master George Matcham

Nigel Stock

George Matcham

Barbara Leigh-Hunt

Catherine "Catty" Matcham

Roland Culver

Lord Barham

Richard Mathews

Rev. William Nelson

Liz Ashley

Sarah Nelson

John Nolan

Capt. Blackwood

André Maranne

Adm. Villeneuve

Clelia Matania

Francesca

Pat Heywood

Emily

Stephen Jack

Major-domo

James Cossins

McKillop (uncredited)

David de Keyser

French Commander (uncredited)

Nicholas Lyndhurst

Shot Cabin Boy (uncredited)

Philip Madoc

French Captain (uncredited)

Ken Parry

Victory's Cook (uncredited)