Counterpart 2017: Season 1Last updated this post: 5 March, 2018 Counterpart American thriller series A cog in a bureaucratic agency discovers his agency is guarding a crossing to a parallel dimension. Network: Starz Composer: Jeff Russo Executive producers: Amy Berg, J. K. Simmons, Morten Tyldum, Keith Redmon, Jordan Horowitz, Gary Gilbert Cast View 3+ more J. K. Simmons Olivia Williams Harry Lloyd Nazanin Boniadi Sara Serraiocco EPISODE 1 2 3 4 5 6 7 8/8Huge in France 2019: Season 1 19/19All American 2021: Season 3 6/6Hidden 2019: Season 2 6/6Behind Her Eyes 2021: Season 1