produced in association with the Canadian Broadcasting Corporation ; executive producers, Sally Bochner, Kent Martin ; directed and written by Barbara Doran
the Rank Organisation presents ; Michael Relph and Basil Dearden's production ; original screenplay by Janet Green ; additional dialogue by Lukas Heller ; produced by Michael Relph ; directed by Basil Dearden
a Scott Free Films/Hardy Son & Baker production for BBC ; produced by Timothy Bricknell ; created by Steven Knight with Tom Hardy & Chips Hardy ; written by Steven Knight, Emily Ballou, Ben Hervey, Chips Hardy ; directed by Kristoffer Nyholm, Anders Engström
created by Anthony Horowitz ; written by Anthony Horowitz and David Kane ; produced by Jeremy Gwilt ; directed by Stuart Orme and Andy Hay ; Eleventh Hour Films in association with Acorn Media Group, Inc. and Octagon Films Limited