Main Characters Narrator 127 main appearances Presenter 118 main appearances Presenter 9 main appearances
Recurring Guest Characters Val Gibson 1 guest appearances Kylie Pentelow 1 guest appearances Claire McGourlay 1 guest appearances Michael Deacon 1 guest appearances Richard Frediani 1 guest appearances Richard Askam 1 guest appearances Kate Pankhurst 1 guest appearances Mark Tattersall 1 guest appearances Sarah Keith-Lucas 1 guest appearances Ed Gamble 1 guest appearances Hugh Pearman 1 guest appearances Rebecca Smethurst 1 guest appearances Amol Rajan 1 guest appearances Sir John Pendry 1 guest appearances Dharsini David 1 guest appearances Louise Dean 1 guest appearances Lucy Cooke 1 guest appearances Christopher Hampton 1 guest appearances Michael Crick 1 guest appearances Charlotte Mendelson 1 guest appearances ⇤ « 19 20 21 22 23 24 25 26 27 28 » ⇥