Guest Stars Marnix Van Den Broeke as Death Michelle Dockery as Death of Rats Sinéad Matthews as Violet John Boswall as Chair of Indefinite Studies Rhodri Meilir as Bilious Tim Plester as Toothguard 7 Richard Katz as Constable Visit Neil Pearson voices The Raven Arthur White as Ernie Terry Pratchett as The Toymaker Jon Ridgeon as Guest 1 Lydia Altman as Small Boy's Sister Aaron Barker as Small Boy James Mellor as Student Wizard Robert Portal as Mr Gaiter Hugo Altman as Gawain Martha Katz as Bobble Hat Child Rachel Edwards as Bobble Hat Child's Mother Andrew Swain as Auditor 4 Danny Da Costa as Verruca Gnome / Hair Loss Fairy Don Wetherhead as Slimazel the Bogeyman John Cartier as Carter Johnny Warman as Toothguard 1 Peter Holdway as Auditor 1 Andre LaMotte as Auditor 2 Adam Marvel as Auditor 3 Dominic Borelli as Grotto Hogfather Trevor Jones as Modo Nicholas Tennant as Corporal Nobbs Deborah Winckles as Mrs Gaiter Fox Jackson-Keen as Young Albert Timothy Bateson as Lecturer in Recent Runes Maggie McCarthy as Ma Lillywhite Madeleine Rakic-Platt as Twyla Shend as Hogfather Craig Conway as Chickenwire Geoffrey Hutchings as Mr Brown Ed Coleman as Ponder Stibbons John Franklyn-Robbins as The Dean Andy Robb voices Additional Voices Roger Frost as The Bursar Bridget Turner as Tooth Fairy / Bogey Man Gregor Henderson-Begg as Pixie Helper