John Hasler
Thomas (voice)
Keith Wickham
Edward / Gordon / Harvey / Salty / Harold / The Fat Controller / Glynn / Various (voice)
Rob Rackstraw
James / Toby / Bernie / Professor Friedrich (voice)
Nigel Pilkington
Percy (voice)
Teresa Gallagher
Emily / Annie / Clarabel (voice)
Nicola Stapleton
Rosie (voice)
Yvonne Grundy
Nia (voice)
Rachael Louise Miller
Rebecca / Dr. Hetty (voice)
