John Eccleston
Rattus Rattus (voice) (123 eps)
Jon Culshaw
Additional Voices (104 eps)
Jess Robinson
Additional Voices (64 eps)
Katy Wix
Various (16 eps)
Meera Syal
Storyteller (10 eps)
Nathaniel Martello-White
Various (3 eps)
Dave Lamb
Additional Voices (2 eps)
Iain Stirling
Love Island Narrator (2 eps)
Alexei Sayle
Dr. Ushma (1 eps)
Alice Lowe
Various (1 eps)
Dominique Moore
Various (1 eps)
Giles Terera
Various (1 eps)
Daniel Taylor
Various (1 eps)