Famous actors including Succession's Brian Cox and Lord of the Rings' Andy Serkis have protested with British union Equity in Leicester Square in solidarity with striking US actors. Rob Delaney, Simon Pegg, Jim Carter, Hayley Atwell, Jim Carter and Imelda Staunton were among the famous faces who gathered in central London a week after the start of major industrial action by Equity's sister union in America, the Screen Actors Guild - American Federation of Television and Radio Artists.