Unforgotten

Sanjeev Bhaskar plays DI Sunil 'Sunny' Khan, a key detective working on cold cases throughout the series.

Nicola Walker portrays DCI Cassandra 'Cassie' Stuart, the determined lead detective for series 1 through 4.

Sinéad Keenan steps into the role of DCI Jessica 'Jessie' James in series 5, continuing the investigative legacy.

Carolina Main plays DC Fran Lingley, a member of the detective team appearing from series 2 onwards.

Jordan Long is DS Murray Boulting, one of the detectives involved in solving the cases.

Pippa Nixon appears as DC Karen 'Kaz' Willetts, participating in the investigations from series 1 and reappearing in series 4.

Lewis Reeves is DC Jake Collier, part of the detective team from series 1 through 4.

Georgia Mackenzie takes on the role of Dr. Leanne Balcombe, a pathologist assisting in the investigations from series 3.

Peter Egan plays Martin Hughes, who is the father of DCI Cassie Stuart in series 1 through 4.