Aran Murphy, 19, co-stars in HBO's Youth and War

19-year-old Aran Murphy co-stars in HBO series “Youth” and “War,” Variety reported Oct. 18. He plays Rauri, son of Sharon Horgan’s character, in “Youth.” He plays Gabriel in “War,” introduced in the Oct. 15 episode, caught between mother Carla (Sienna Miller) and stepfather Morgan (Dominic West) during their divorce.