Guest Stars Moira Kelly as Joe Co Starring Sara Martins as Sandra Nikki Amuka-Bird as Grace Helgoff Gráinne Good as Valeria Leo Woodall as Duke Laetitia Eido as Cristoph Kineta Kunutu as Billie Audie Rick as Young Mason Serafina Tarafdar as Asha Deborah Hedwall as Mason's Grandmother
