Thomas Brodie-Sangster
Firedrake (voice)
Freddie Highmore
Ben (voice)
Felicity Jones
Sorrell (voice)
Patrick Stewart
Nettlebrand (voice)
Sanjeev Bhaskar
Mad Doc (voice)
Nonso Anozie
Mighty Djinn (voice)
Meera Syal
Subisha Gulab (voice)
Alex Norton
Gravelbeard (voice)
Peter Marinker
Slatebeard (voice)
Stephen Hogan
Spinecrackle (voice)
Glenn Wrage
Bottleneck (voice)
Eric Meyers
Sulphurbreath (voice)
William Vanderpuye
Stonebeard (voice)
David Brooks
Professor Greenbloom (voice)
