L-R: Laura Donnelly plays Rose Kennedy, Nick Robinson plays Joe Kennedy Jr., and Joshuah Melnick as Jack Kennedy Lee Malone/Getty/Rydel Cerezo/AP/Ed Miller/Getty EXCLUSIVE: Laura Donnelly (The Nevers, Sugar) is set to star opposite Michael Fassbender in Kennedy, Netflix‘s drama series that explores the lives, loves, rivalries and tragedies of the Kennedy family. Nick Robinson (A Teacher, Maid) and newcomer Joshuah Melnick also have been cast as a series regulars in the series from Chernin Entertainment, which is based on Fredrik Logevall’s book, JFK: Coming of Age in the American Century, 1917-1956. Fassbender stars as Joe Kennedy, Sr., Donnelly as his wife Rose Kennedy, Robinson portrays their son Joe Kennedy Jr., and Melnick plays as younger son Jack Kennedy.