Ioan Gruffudd & Joanne Froggatt In Trailer For SundanceTV's Liar

Thanks to the streaming revolution, the transatlantic TV barrier is thinner than ever. Once, those of us in the UK would have to wait months if not years, for your favorite U.S. show to make it across the pond — now you can watch “Game Of Thrones” or “Twin Peaks” live simultaneously (and legally) with their U.S. broadcast (you have to stay up til 2 a.m. to do it, but still). And British shows are finding more and more of an audience in the U.S thanks to their appearance on Netflix, Amazon, Hulu or the like.

Many of these lately have been comedies like “Fleabag,” “Catastrophe” and “Chewing Gum,” as we wrote about at length not so long ago. But some of them have been dramas, too: shows like “Wolf Hall,” “Downton Abbey,” “Luther,” “The Fall,” “Happy Valley” and “The Missing” have all found healthy U.S. viewership thanks to partnerships with U.S. broadcasters or SVOD services.

Could the next of these be “Liar?” A partnership between ITV and SundanceTV, the show comes from Harry and Jack Williams, whose excellent thriller series “The Missing” was a hit for Starz in the U.S, it’s set to debut in the very near future, and just debuted its first trailer over at Entertainment Weekly.

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The show headlines the erstwhile Mr. Fantastic Ioan Gruffudd, and “Downton Abbey” veteran Joanne Froggatt, as a surgeon and a teacher who go on a date together, only for the aftermath to lead to life-changing accusations, and “a snare of secrets and lies that threaten to undo their lives.” Zoe Tapper, Warren Brown, Danny Webb and Peter Davison are also among the cast, with “Doctor Who” director James Strong and “Humans” helmer Sam Donovan splitting the directorial duties across the six episodes.

Seemingly very much in the vein of the new wave of yuppie-in-peril thrillers like “Gone Girl” and “Girl On The Train,” it looks to be… provocative, if it’s going where we think it’s going, but we’re certainly intrigued. The show begins this Monday in the UK, and on September 27th on SundanceTV — let us know if you’ll be tuning in.

That’s not the only thriller from the Williams Brothers either: they’ve also penned “Rellik,” a serial-killer tale told backward, “Memento” style, starring “Game Of Thrones” scene-stealer Richard Dormer. That doesn’t have a U.S. airdate yet (Cinemax will be showing it eventually), but you can watch the U.K. trailer for that below as well.