Ioan Gruffudd as Midshipman Horatio Hornblower

Robert Lindsay as Captain Sir Edward Pellew

Dorian Healy as Midshipman Jack Simpson

Michael Byrne as Captain Keene

Robert Bathurst as Lieutenant Eccleston

Duncan Bell as Midshipman Clayton

Paul Copley as Matthews

Sean Gilder as Styles

Simon Sherlock as Oldroyd

Chris Barnes as Finch

Jamie Bamber as Midshipman Archie Kennedy

Colin MacLachlan as Master Bowles

Vincent Grass as Captain Forget

Richard Lumsden as Midshipman Hether

Frank Boyce as Midshipman Cleveland

Roger May as Lieutenant Chadd

Simon Markey as ... Dr. Hepplewhite

Oliver Montgomery as Lieutenant Chalk