Kerry Condon. Actress: The Banshees of Inisherin. Kerry Condon is an Irish television and film actress, best known for her role as Octavia of the Julii in the HBO/BBC series Rome, as Stacey Ehrmantraut in AMC's Better Call Saul, and as the voice of F.R.I.D.A.Y. in various films in the Marvel Cinematic Universe. She is also the youngest actress ever to play Ophelia in a Royal Shakespeare Company production of...