Ioan Gruffudd

as Horatio Hornblower

David Warner

as Capt. James Sawyer

Robert Lindsay

as Sir Edward Pellew

Nicholas Jones

as Lt. Buckland

Paul McGann

as Lt. Bush

Jamie Bamber

as Lt. Archie Kennedy

Philip Glenister

as Gunner Hobbs

Sean Gilder

as Styles

John Castle

as Captain Collins

Ian McElhinney

as Captain Hammond

David Rintoul

as Dr. Clive

Paul Copley

as Matthews