Up to No Good is an upcoming British television drama series starring Glenn Close, Penelope Wilton, Meera Syal and Claudia Jessie for Channel 4.
Maud Oldcastle has had a lifetime of caring for her sister, but also has killer secrets.
The six-part series was confirmed by Channel 4 in August 2025 with the working title Maud. Written by Nina Raine and Moses Raine, the series is adapted from the short story collections An Elderly Lady Is Up To No Good and An Elderly Lady Must Not Be Crossed by Helene Tursten. It is produced by Playground and Sony Pictures Television. Glenn Close was confirmed as an executive producer and part of the cast in August 2025.
Filming took place in London at the start of 2026, with the title confirmed as Up to No Good, and Lee Haven Jones as director. Claudia Jessie, Penelope Wilton and Meera Syal joined Close in the cast alongside Gloria Obianyo, Anita Dobson and Ben Crompton.
The series will air in the United Kingdom on Channel 4.