 This section lists other characters who have appeared in more than one episode.Over the years, a number of well-known guest stars have made one-off appearances in "Heartbeat", either in cameo roles or more substantial single-episode parts.These include Richard Todd (legendary actor and Second World War hero), David Essex (as a traveller, or tinker), David McCallum, Charlotte Church, Michelle Dockery, John Nettles, Philip Jackson, Geraldine Newman, Siobhan Finneran, John Simm, Gary Barlow, David Dickinson, Todd Carty, Philip Glenister, Lulu, George Cole (as Albert "The Prof" Hallows), Ray Illingworth, Brian Close, Margaret Tyzack, Roy Dotrice, Roland Gift, Ralf Little, Dickie Bird, Daniel Craig, Clive Swift, Jean Alexander, Geoffrey Bayldon, Tim Brooke-Taylor (as Peggy Armstrong's solicitor), Twiggy, Benedict Cumberbatch, Leslie Phillips, Lindsay Coulson, George Layton, Gabrielle Drake, Robin Ellis, Leslie Grantham, George Baker, Paul Nicholas, Brigit Forsyth, Jan Francis, Peter Vaughn, Celia Imrie, Helen Lederer, singer Alan Price, Sam Kelly, Duncan Preston, Rodney Bewes, Bobby Ball, Russ Abbot, impressionist Jon Culshaw, Miranda Raison and Dave King as Aidensfield Station Master, Roy Hutton.