Lloyd says he has already heard anecdotes about police in the US searching for the masks in people's houses to be used as evidence of involvement with Anonymous hacker attacks, "which is scary but also ridiculous - you wouldn't prosecute someone for having a t-shirt with Che or CND on it".

BBC: V for Vendetta masks: Who's behind them?

Howard Davies directs this tale of three generations of a dysfunctional family in their seaside, 1930s Art Deco house in Devon, reconstructed by designer Vicki Mortimer, in a way that tells you all you need to know: the mess is incredible though the real estate is obviously valuable, and the Che Guevara poster tags Judy's political views.

WSJ: Review: Making a Drama of Diplomacy | 'Democracy' at the Old Vic | 'Last of the Haussmans' at the National Theatre