Sun Day An internet killer is targeting people who believe they wish to die and Mooney thinks he knows how to trap him. Renko and Hicks change tactic and bring the fight to Grace's door. Details Casts Videos Galleries Posters Season Lists Title Sun Day Genres Crime Drama Release Date 2018-02-10 Episode Runtime 01 Hours 00 Minutes Season Number 1 Episode Number 6 Production Companies Euston Films Jim Sturgess... Detective Charlie Hicks... Agyness Deyn... Detective Elaine Renko... Nikki Amuka-Bird... Grace Morrigan... Derek Riddell... DCS Roland Bell... Aisling Bea... Mari Butler... Varada Sethu... DS Mishal Ali... Jojo Macari... Daniel Renko... Owain Arthur... DS Keith Greener... Richard Coyle... Thom Blackwood... Hard Sun: Launch Trailer - BBC One (Trailer) Original Size (3840x2160) Original Size (3840x2160) Original Size (1920x1080) Original Size (2659x1496) Original Size (2362x1328) Original Size (1920x1080) Original Size (1920x1080) Original Size (1280x720) Original Size (1920x1080) Original Size (1280x720) Original Size (1280x720) Original Size (1280x720) Original Size (1920x1080) Original Size (1920x1080) Original Size (1920x1080) Original Size (1920x1080) Original Size (1440x2160) Original Size (2000x3000) Original Size (2000x3000) Original Size (768x1130) Original Size (680x1000) Original Size (1080x1600) Original Size (680x1000) Original Size (2000x3000) Season 1 6 Episode(s) 2018-01-06