Voiceover
Bristol Based
Benedict Allen
Steve Backshall
Angela Barlow
Jackie Bennett
Tim Caple
Mark Carwardine
Miranda Krestovnikoff
Sanjida O'Connell
Toby Sawday
Luke Thompson
Peter Venn
Briohny Williams
Based Elsewhere
Stephen Briers
Saba Douglas Hamilton
Steve Leonard
Frank Pope
Michaela Strachan
Richard Terry
London Based
Liz Bonnin
Jamie Crawford