Honor Kneafsey
as Robyn Goodfellowe (voice)
Eva Whittaker
as Mebh Óg MacTíre (voice)
Simon McBurney
as Lord Protector (voice)
Tommy Tiernan
as Seán Óg (voice)
Maria Doyle Kennedy
as Mebh's Mother, Moll MacTíre (voice)
Nora Twomey
as Head Housekeeper, Bridget (voice)