Vankuver, Britaniya Kolumbiyasida tug‘ilib o‘sgan Samantha, Nyu-York shahridagi mashhur Circle In The Square Theatre Schoolni tamomlagan. U 2003 yilda Londonga ko‘chib o‘tib, kanadalik aktyor Trevor White (Downton Abbey/Episodes) bilan birga Suspect Package teatr kompaniyasini tashkil etdi, ularning spektakllari tanqidiy muvaffaqiyatga erishdi. "Problem Child" uchun Evening Standard sharhida: 'Suspect Package kompaniyasining provokatsion spektakliga befarq munosabatda bo‘lish qiyin, bu asosan Samantha Coughlanning empatiya bilan o‘ynagan psixotik ijrosi tufayli'.
