![The Staircase Sky release date, cast, trailer, plot: When is it out? | TV & Radio | Showbiz & TV | Express.co.uk The Staircase Sky release date, cast, trailer, plot: When is it out? | TV & Radio | Showbiz & TV | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/20/750x445/1591769.jpg)
The Staircase Sky release date, cast, trailer, plot: When is it out? | TV & Radio | Showbiz & TV | Express.co.uk
In The Staircase, Colin Firth shines new light on a true crime case we've been obsessed with for 20 years
![Is The Staircase a true story? How the case of Michael Peterson and his wife Kathleen inspired the Sky series Is The Staircase a true story? How the case of Michael Peterson and his wife Kathleen inspired the Sky series](https://wp.inews.co.uk/wp-content/uploads/2022/05/SEI_101273772.jpg?resize=640,360&strip=all&quality=90)
Is The Staircase a true story? How the case of Michael Peterson and his wife Kathleen inspired the Sky series
![International Artists Management on Twitter: "Our client FRANK FEYS can be seen in his regular role of “Denis” in the limited series THE STAIRCASE based on the true crime Michael Peterson docu-series, International Artists Management on Twitter: "Our client FRANK FEYS can be seen in his regular role of “Denis” in the limited series THE STAIRCASE based on the true crime Michael Peterson docu-series,](https://pbs.twimg.com/media/FR_HVuTXIAElcdL.jpg:large)