The Truth About the Harry Quebert Affair A writer gets caught up in a murder investigation involving his mentor, an esteemed American author. Based on the book of the same name, by Joël Dicker. Details Casts Videos Galleries Posters Season Lists Title The Truth About the Harry Quebert Affair Genres Crime Drama First Air Date 2018-09-04 Last Air Date 2018-11-06 Episode Runtime 00 Hours 50 Minutes Total Season(s) 1 Total Episode(s) on All Seasons 10 Runtime 50 Production Companies MGM Television, Barbary Films, Muse Entertainment Patrick Dempsey... Harry Quebert... Don Harvey... Bobbo Quinn... Joshua Close... Luther Caleb... Kristine Froseth... Nola Kellergan... Ryan Kiera Armstrong... Young Nola Kellergan... Ben Schnetzer... Marcus Goldman... Damon Wayans Jr.... Sgt. Perry Gahalowood... Kurt Fuller... Gareth Pratt... Wayne Knight... Benjamin Roth... Matt Frewer... Reverend Kellergan... Colm Feore... Elijah Stern... Connor Price... Young Travis Dawn... The Truth About The Harry Quebert Affair - Starts Tuesday 4 September, 9pm (Trailer) Original Size (3840x2160) Original Size (3840x2160) Original Size (1920x1080) Original Size (1920x1080) Original Size (1600x900) Original Size (1600x900) Original Size (1600x900) Original Size (3840x2160) Original Size (1000x1500) Original Size (660x970) Original Size (1000x1500) Original Size (800x1200) Original Size (500x750) Original Size (1000x1500) Original Size (639x972) Original Size (1080x1600) Original Size (680x1000) Season 1 10 Episode(s) 2018-09-04