The Loch The search for a serial killer becomes a matter of life and death for detective Annie Redford, who is trying to cope with her first murder case. Details Casts Videos Galleries Posters Season Lists Title The Loch Genres Crime Drama First Air Date 2017-06-11 Last Air Date 2017-07-16 Episode Runtime 00 Hours 45 Minutes Total Season(s) 1 Total Episode(s) on All Seasons 6 Runtime 45 Production Companies ITV Studios, National Lottery, Creative Scotland Laura Fraser... DS Annie Redford... Siobhan Finneran... DCI Lauren Quigley... Don Gilet... Dr. Blake Albrighton... John Sessions... DCI Frank Smilie... Alastair Mackenzie... Craig Petrie... Oliver Greenall... Jordan Whitehead... Shona McHugh... Evie Redford... Jim McMeekin... Michael Yuill... Murray Fraser... PC Jason Denny... Jack Bannon... Kieran Whitehead... Conor McCarry... Dessie Toner... Gray O'Brien... Alan Redford... Acorn TV Original | Loch Ness Trailer (Trailer) Original Size (3840x2160) Original Size (3000x1688) Original Size (3840x2160) Original Size (1280x720) Original Size (1440x2160) Original Size (680x1000) Original Size (1000x1500) Original Size (1300x1950) Original Size (708x1000) Season 1 6 Episode(s) 2017-06-11