‘I’m fearless. I was in a boys’ rugby team’: Slow Horses’ Aimee-Ffion Edwards on playing a cocaine-snorting spy

<p>She has played rugby for Wales, is putting a Welsh spin on Princess Leia and is returning to TV screens as Shirley, the explosive, traumatised MI5 agent. Why is Edwards so drawn to liars, crooks and sneaks?</p><p>There was a moment, just before Aimee-Ffion Edwards jumped off a n