Unforgotten

Synopsis

London police detectives Cassie Stuart and Sunny Khan investigate historic cold cases involving missing persons, murder and long-hidden secrets.

First Air Date: 2015-10-08

Last Air Date: 2025-02-24

Number of Seasons: 6

Number of Episodes: 36

Created By: Chris Lang

Networks: ITV1

View Technical Specifications on IMDb

Top Cast

Sanjeev Bhaskar as DS Sunil 'Sunny' Khan
Carolina Main as DC Fran Lingley
Jordan Long as DS Murray Boulting
Nicola Walker as DCI Cassie Stuart
Lewis Reeves as DC Jake Collier
Peter Egan as Martin
Sinéad Keenan as DCI Jessica 'Jessie' James
Pippa Nixon as DC Karen Willetts
Alastair Mackenzie as John Bentley
Georgia Mackenzie as Dr. Leanne Balcombe

Seasons

Season 1 (2015) - (6 Episodes)

Season 2 (2017) - (6 Episodes)

Season 3 (2018) - (6 Episodes)

Season 4 (2021) - (6 Episodes)

Season 5 (2023) - (6 Episodes)

Season 6 (2025) - (6 Episodes)

Season 1 (2015)

When the bones of a young man are found beneath the footings of a demolished house, an investigation begins that will unravel the lives of four people who have been waiting for this moment for nearly forty years, as they discover that the past can’t, and won’t, stay buried forever.

Episodes:

Ep. 1: Episode 1 (2015-10-08)

When a skeleton is unearthed, a car key found near the body is the only clue to the identity of the victim.
Ep. 2: Episode 2 (2015-10-15)

DCI Cassie Stuart begins to identify the people mentioned in the diary of Jimmy Sullivan.
Ep. 3: Episode 3 (2015-10-22)

As the investigation in to Jimmy's death continues, Cassie and Sunny visit Father Robert Greaves hoping to identify the mysterious Jo-Jo.
Ep. 4: Episode 4 (2015-10-29)

The investigation into Jimmy's death continues, as Cassie and Sunny question Sir Phillip Cross.
Ep. 5: Episode 5 (2015-11-05)

As the investigation into Jimmy's death continues, Sir Phillip Cross makes a difficult decision while Father Robert comes clean to his family and the police.
Ep. 6: Episode 6 (2015-11-12)

As the investigation into Jimmy's death concludes, Father Robert finds that revealing the truth has lasting repercussions and Maureen lays her son Jimmy to rest.