Guest Stars Sarah Greene as Hecate Poole Douglas Hodge as Inspector Bartholomew Rusk Jack Hickey as Junior Inspector Olivia Chenery as Witch #2 Nicole O'Neill as Witch #1 Stephen Lord as Warren Roper Ruth Gemmell as Octavia Putney David Haig as Oscar Putney Tamsin Topolski as Lavinia Putney Jonny Beauchamp as Angelique Dave Curry as Father Aideen Wylde as Mother Rachael Dowling as Dress Shop Owner