Casting Director Alex Irwin Makes Murderers Every Episode
Warning: This episode contains spoilers for Episode Four of the Seventh Season of Grantchester.
\n\nThere's a rotating cast of murderers \u2014 and murder victims \u2014 on every episode of\xa0Grantchester. But where do the actors come from who populate the Cambridgeshire rogues\u2019 gallery? Longtime series casting director Alex Irwin reveals how she casts a show.