Silent Hours Private detective John Duval, an ex-lieutenant commander in the Royal Navy and Naval Intelligence, finds himself the prime suspect in a police hunt for a sexual killer when three women are brutally murdered. Details Casts Videos Galleries Posters Title Silent Hours Release Date 2021-09-01 Runtime 02 Hours 35 Minutes Genres Thriller Mystery Production Companies Gallery Motion Pictures Production Countries James Weber Brown... John Duval... Indira Varma... Dr. Catherine Benson... Dervla Kirwan... DI Jane Ambrose... Annie Cooper... Tobi Wright... Hugh Bonneville... Commander William Calthor... Tom Beard... Mr. Bowles... Susie Amy... Rosemary Calthorpe... Alistair Petrie... Lieutenant Charles 'Chuck... Elizabeth Healey... Rachel Garvie... Vicki Michelle... Mary Woodward... Angela Thorne... Mrs. Garvie... Cat Simmons... DC June Francis... Andrew Whipp... DS Pinker... Silent Hours - Official Trailer (Trailer) Original Size (3840x2160) Original Size (3840x2160) Original Size (3840x2160) Original Size (1280x720) Original Size (2000x3000) Original Size (2000x3000) Original Size (1000x1500) Original Size (1000x1500)