‘Outlander’ Lead Sam Heughan Caitriona Balfe Attending Emerald City Comicon; Season 3 To Have More Intimacy The cast of “Outlander” Season 3, Sam Heughan and Caitriona Balfe will be attending the upcoming Emerald City Comicon. What is more, Balfe has teased some interesting details about “Outlander” Season 3.