Capt. Horatio Hornblower R.N

Gregory Peck

Acting

Lady Barbara Wellesley

Virginia Mayo

Acting

Lt. William Bush

Robert Beatty

Acting

Lt. Crystal

Moultrie Kelsall

Acting

2nd Lt. Gerard

Terence Morgan

Acting

Midshipman Longley

James Kenney

Acting

Seaman Quist

James Robertson Justice

Acting

RAdm. Sir Rodney Leighton

Denis O'Dea

Acting

Polwheal (Hornblower's Batman)

Richard Hearne

Acting

Surgeon Gundarson

Michael Dolan

Acting

Mr. Harrison (Bosun)

Stanley Baker

Acting

Hernandez

Alan Tilvern

Acting

El Supremo (Don Julian Alvarado)

Alec Mango

Acting

Spanish Captain

Christopher Lee

Acting

Capt. Entenza

John Witty

Acting

Col. Caillard - POW Escort

Michael Goodliffe

Acting

French Commandant

Eugene Deckers

Acting

Hebe (Lady Barbara's Maid)

Ingeborg von Kusserow

Acting

Mrs. McPhee (Hornblower's Housekeeper)

Amy Veness

Acting

Adm. Lord Hood

Kynaston Reeves

Acting

Adm. McCartney

Ronald Adam

Acting

Crewman (uncredited)

Chris Adcock

Acting

Capt. Elliott (uncredited)

Basil Bartlett

Writing

French Guard (uncredited)

André Belhomme

Acting

Crewman (uncredited)

David Birks

Acting

"Witch of Endor" French Mate (uncredited)

Robert Cawdron

Acting

Maria Hornblower (voice) (uncredited)

Diane Cilento

Acting

"Lydia" Seaman (uncredited)

Howard Connell

Acting

Spanish Officer (uncredited)

Alexander Davion

Acting

Crewman (uncredited)

Steve Donahue

Acting

Seaman (uncredited)

Patric Doonan

Acting

Lt. Woodford (uncredited)

Anthony Forwood

Acting

French Corvette Captain (uncredited)

Arthur Gomez

Acting

Crewman (uncredited)

Lindsay Hooper

Acting

Macrae (uncredited)

Richard Johnson

Acting

Officer Aboard Cassandra (uncredited)

Howard Lang

Acting

Bosun's Mate (uncredited)

Jim Brady

Acting

Seaman (uncredited)

Fred Haggerty

Acting

Seaman Garvin (uncredited)

Sam Kydd

Acting

Capt. Bolton (uncredited)

Anthony Marlowe

Acting

Spanish Officer (uncredited)

Michael Mellinger

Acting

Spanish Officer (uncredited)

Julio Monterde

Acting

Hommel (uncredited)

Peter Morton

Acting

Seaman (uncredited)

Jack Stewart

Acting

Capt. Elliott (uncredited)

Derek Sydney

Acting

Seaman (uncredited)

Jack Taylor

Acting

Juan (uncredited)

John A. Tinn

Acting

Seaman (uncredited)

Russell Waters

Acting

Crewman (uncredited)

Del Watson

Acting

Capt. Sylvester (uncredited)

Jack Watson

Acting

Seaman (uncredited)

Byron Webster

Acting

Lt. Radot (uncredited)

Patrick Young

Acting