•
Sheridan Smith as Sam Cook, a cleaner for Xenco Clean •
Jade Anouka as Jess, Sam's friend and colleague • Kristy Philipps as Alice Cook, Sam and Dave's 15-year-old daughter •
Ben Bailey Smith as Blake, a Kramer Lowe stockbroker engaging in
insider trading •
Uriel Emil as Viktor, Sam's boss at Xenco Clean •
Robert Emms as Glynn, a lodger at Sam's house •
Branka Katić as Mina, a cleaner for Xenco Clean •
Neil Maskell as Warren, a
debt collector Sam owes money • Anya McKenna-Bruce as Lily Cook, Sam and Dave's 8-year-old daughter •
Matthew McNulty as Dave Cook, Sam's ex-husband •
Hero Fiennes-Tiffin as Jake, Alice's boyfriend •
Rosie Cavaliero as Frances Howard, Head of Compliance for Kramer Lowe •
Lloyd Owen as Dominic Swanson, a corporate lawyer blackmailing Blake •
Angela Wynter as Amber, Jess's mother and cafe owner •
Milanka Brooks as Daniela, a cleaner for Xenco Clean •
Con O'Neill as Graham, CEO of Westavaris Incorporated, and head of the insider trading network ==Production==