Glenn Close joins the cast for season 2 of 'Tehran' on Apple TV+, premiering May 6

Apple TV+

provided a first look at "Tehran" season 2 with Glenn Close joining the cast and a May 6 premiere date.

"Tehran" season 2 continues the story of a Mossad agent played by Niv Sultan, who goes deep undercover on a dangerous mission in Tehran. Other returning cast members include Shaun Toub and Shervin Alenabi.

Two-time Emmy Award winner Glenn Close joins the cast for season 2. It premieres the first two episodes on May 6, with each new episode airing every Friday.

AppleInsider reviewed "Tehran" as a first-rate Israeli spy series. We called it "an immensly thrilling show that's compeltely unlike anything Apple TV+ has debuted so far."

You can watch the entire first season of "Tehran" and season 2 when it premieres on May 6 on Apple TV+. Customers can subscribe for $4.99 per month or via any tier of the Apple One subscription bundle.