Life for the residents of a tower block begins to run out of control.
Tom Hiddleston
as Dr. Robert Laing
Elisabeth Moss
as Helen Wilder
Sienna Miller
as Charlotte Melville
Jeremy Irons
as Anthony Royal
Luke Evans
as Richard Wilder
Reece Shearsmith
as Nathan Steele
Dan Renton Skinner
as Simmons
James Purefoy
as Pangbourne
Peter Ferdinando
as Cosgrove
Stacy Martin
as Fay
Keeley Hawes
as Ann Royal
Sienna Guillory
as Jane Sheridan
