A friendly troll with a magic green thumb grows one flower too many for the queen, whose laws require all trolls to be mean ugly and scare humans whenever possible. As a punishment, he is exiled to a world of concrete, where he should live a life of proper trolldom: Manhattan.
| Actor | Role |
|---|---|
 Dom DeLuiseStanley (voice) | Stanley (voice) |
 Phillip GlasserGus (voice) | Gus (voice) |
| TTawny Sunshine GloverRosie (voice) | Rosie (voice) |
 Cloris LeachmanQueen Gnorga (voice) | Queen Gnorga (voice) |
 Hayley MillsHilary (voice) | Hilary (voice) |
 Jonathan PryceAlan (voice) | Alan (voice) |
 Charles Nelson ReillyLlort (voice) | Llort (voice) |
 Jack AngelTrolls (voice) | Trolls (voice) |
 Neil RossGeneric Pansy (voice) | Generic Pansy (voice) |
 Will RyanBoss (voice) | Boss (voice) |
 Pat MusickSnuffy (voice) | Snuffy (voice) |