Trailer
Glumci
Thomas Brodie-Sangster
Firedrake (voice)
Freddie Highmore
Ben (voice)
Felicity Jones
Catherine
Patrick Stewart
Narrator (voice)
Sanjeev Bhaskar
Mad Doc (voice)
Nonso Anozie
Mighty Djinn (voice)
Meera Syal
Subisha Gulab (voice)
Alex Norton
Gravelbeard (voice)