ky today confirms The Staircase, starring BAFTA and Academy Award® winner Colin Firth (Kingsman: The Golden Circle, A Single Man) as Michael Peterson and Toni Collette (Knives Out, Muriel’s Wedding) as Kathleen Peterson is to premiere this spring on Sky and streaming service NOW.

Co-produced by Annapurna Television, the eight episode limited series is written and executive produced by showrunners Antonio Campos (The Devil All The Time, Christine) and Maggie Cohn (Versace). Campos also directs six episodes, with Leigh Janiak directing two episodes. Based on a true story, The Staircase further explores the life of Michael Peterson, his sprawling North Carolina family, and the suspicious death of his wife, Kathleen Peterson.

Starring alongside Colin Firth and Toni Collette are Michael Stuhlbarg (Your Honor), Juliette Binoche (Chocolat), Dane DeHaan (ZeroZeroZero), Olivia DeJonge (Elvis), Rosemarie DeWitt (Little Fires Everywhere), Tim Guinee (Inventing Anna), Patrick Schwarzenegger (Moxie), Sophie Turner (Game of Thrones), Vincent Vermignon (Romy and Michele's High School Reunion), Odessa Young (Shirley) and Parker Posey (Lost in Space).

The Staircase will be available in all Sky markets including UK, Ireland, Italy, Germany, Austria & Switzerland.