Anna Maxwell Martin and Rachael Stirling play the lead roles of Susan and Millie in brand new ITV1 drama The Bletchley Circle.
Working in an operation to crack codes used by the German Military, Susan and Millie help lead Britain to victory. Fast forward nine years to fifties London and there is a murderer on the loose - Susan needs to join forces with Millie, and her other former Bletchley Park colleagues to help crack a new kind of code!
Anna and Rachel join us to reveal all about the brand new and unmissable ITV1 series of The Bletchley Circle.