From ‘Damages’ to ‘Spy,’ Rose Byrne’s Oscar-nominated role in ‘If I Had Legs I’d Kick You’ is the culmination of a career as a creative chameleon: ‘Everything informs everything.’

From ‘Damages’ to ‘Spy,’ Rose Byrne’s Oscar-nominated role in ‘If I Had Legs I’d Kick You’ is the culmination of a career as a creative chameleon: ‘Everything informs everything.’