Joe Otterson TV ReporterThe series based on Sally Rooney’s book “Conversations With Friends” has cast Alison Oliver, Sasha Lane, Joe Alwyn, and Jemima Kirke in four lead roles, Variety has learned.The Hulu-BBC Three series follows Frances (Oliver), a 21 year old college student, as she navigates a series of relationships that force her to confront her own vulnerabilities for the first time. Frances is observant, cerebral and sharp.