Narrator (Voice)
Edward / Henry / Gordon / James / Percy (voice) / Gordon (voice)
Emily (voice)
Emily (voice) / Emily / Rosie / Mavis (voice)
Henry / Gordon / James (voice) / Henry / Gordon (voice)
Narrator (voice)
Edward / Toby (voice)
James (voice) / James / Toby (voice)
Thomas (voice)
Percy (voice)
Thomas / Percy (voice) / Thomas / Percy / Diesel (voice)
Thomas / Toby (voice)
Nia (voice)
Rebecca (voice)
Hiro (voice)
Spencer / Charlie / Victor / Rocky / Cranky / Kevin (voice)
Fair Attendees (Voice) / Queen Elizabeth II (voice)
Prince Harry, Duke of Sussex (uncredited)
