Joseph Lidster is an author, script writer and actor who has written over 15 dramas for the Doctor Who, Sapphire and Steel and The Tomorrow People ranges, as well as the Torchwood audiobooks In the Shadows and Red Skies. His TV credits include the Torchwood episode 'A Day in the Death' and three episodes of The Sarah Jane Adventures. He has also written numerous short stories, including the title story in the Torchwood: Consequences collection and 'Cybermen: Status Update' (an exclusive adventure included in the BBC's interactive ebook Doctor Who: Cybermen Monster File).

James Goss has adapted three Doctor Who stories by Douglas Adams for BBC Books (City of Death, The Pirate Planet, and The Krikkitmen). He's also written several original Doctor Who and Torchwood books. His novel #Haterz is in development as a motion picture. He's also written for the stage and the radio.