(from AT&T's press release, May 2017) The new AT&T* AUDIENCE Network original series from Sonar Entertainment, "Mr. Mercedes," is premiering Wednesday, Aug. 9 at 8 p.m. ET/PT. Watch it exclusively on AUDIENCE Network through DIRECTV, AT&T U-verse, and DIRECTV NOW. "Mr. Mercedes" is based on the best-selling novel by Stephen King. David E. Kelley ("Big Little Lies,""Boston Legal," and "Ally McBeal,") wrote and adapted for television and Jack Bender ("Lost," "Under the Dome," "Game of Thrones") directed multiple episodes. The duo serve as executive producers, along with King and Temple Hill Entertainment's Marty Bowen and Wyck Godfrey. Sonar Entertainment is producing and distributing worldwide outside the US. "Mr. Mercedes" stars Brendan Gleeson ("Harry Potter") as Detective Bill Hodges, Harry Treadaway ("Penny Dreadful") as Brady Hartsfield, Kelly Lynch ("Magic City") as Deborah Hartsfield, Jharrel Jerome ("Moonlight") as Jerome Robinson, Scott Lawrence ("Avatar") as Detective Peter Dixon, Robert Stanton ("Mercury Rising") as Anthony "Robi" Frobisher, Breeda Wool ("Unreal") as Lou Linklatter, Justine Lupe ("Francis Ha") as Holly Gibney, and Ann Cusack ("Nightcrawler") as Olivia Trelawney, with Mary Louise-Parker ("Weeds") as Janey Patterson, and Holland Taylor ("The Truman Show") as Ida Silver. "Mr. Mercedes" follows a demented killer Brady Hartsfield (Treadaway) who taunts a retired police detective Bill Hodges (Gleeson) with a series of lurid letters and emails, forcing the ex-cop to undertake a private, and potentially felonious, crusade to bring the killer to justice before he is able to strike again.