William Swift - Rory Kinnear

Tamara Swift - Jasmine Hyde

Sir Ludlow Swift - Leslie Phillips

Lord Byron - Joe McFadden

Henry Swift/Were-Beast 1 - Roy Skelton

Doctor Hillman/Were-Beast 2 - Elliot Falk

Written by - Christopher Golden and Amber Benson

Composer - Peter Green

Audio Presentation - Roger Danes, Rebecca Kirby, Marc Willcox, Keith Graham

Production Team - Alex Mackintosh, Claudine Toutoungi, Maria Ogundele

Script Editor - Martha Hillier

Audio Producer - Jelena Djordjevic

Animation - Cosgrove Hall

Online Producer for BBCi - Rob Francis

Executive Producers for BBCi - Martin Trickey/Mario Dubois

Directed by - Amber Benson