Rellik A serial killer thriller told in reverse, unravelling the truth behind a series of murders as DCI Gabriel Markham hunts down a brutal killer. Details Casts Videos Galleries Posters Season Lists Title Rellik Genres Crime Drama First Air Date 2017-09-11 Last Air Date 2017-10-16 Episode Runtime 01 Hours 00 Minutes Total Season(s) 1 Total Episode(s) on All Seasons 6 Runtime 60 Production Companies New Pictures, Two Brothers Pictures Richard Dormer... DCI Gabriel Markham... Jodi Balfour... DI Elaine Shepard... Kieran Bew... DI Mike Sutherland... Lærke Winther... Lisa Markham... Shannon Tarbet... Hannah Markham... Reece Ritchie... DC Asim Fry... Ray Stevenson... Det Supt Edward Benton... Paterson Joseph... Isaac Taylor... Michael Wildman... DI Martin Brook... Joseph Macnab... DC Sam Myers... Faye Castelow... DS Jenny Roberts... Mimî M. Khayisa... DC Andrea Reed... Michael Shaeffer... Steven Mills... Paul Rhys... Patrick Barker... Rosalind Eleazar... Christine Levison... Georgina Rich... Beth Mills... Tanya Reynolds... Sally... Clive Russell... Henry... Annabel Bates... Jill... Rellik | Trailer - BBC One (Trailer) Original Size (1920x1080) Original Size (1920x1080) Original Size (1920x1080) Original Size (2000x1125) Original Size (3330x1874) Original Size (1570x2355) Original Size (1400x2100) Original Size (1000x1500) Original Size (2000x3000) Original Size (2000x3000) Original Size (1000x1500) Season 1 6 Episode(s) 2017-09-11