TVLine Items: Under the Dome Dad Is Cast, New Thrones High, Lifetime's Omen Sequel and More

Brett Cullen Under The DomePerson of Interest is about to find himself Under the Dome.

Brett Cullen, known to POI fans as the late Nathan Ingram, is joining the second season of CBS’ sci-fi drama, EW.com reports. Cullen will play Don Barbara, the father of Mike Vogel’s Dale (aka “Barbie”).

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Under the Dome returns Monday, June 30, at 10/9c.

Ready for more of today’s newsy nuggets? Well…

*HBO’s Game of Thrones on Sunday night scored series-high numbers, for the fourth time this season, by drawing 7.2 million total viewers.

* The first episode of AMC’s Halt and Catch Fire, which premieres June 1 at 10/9c, is available to stream on the network’s Tumblr and official website until May 31.

* Nat Geo is debuting its first live after show Reel Talk Live, which will follow the Season 3 finale of Wicked Tuna on June 8.

* SundanceTV has ordered a second season of Dream School, the docuseries executive-produced by Curtis “50 Cent” Jackson, slated to premiere in fall 2014. Among the instructors appearing in Season 2 are Olympic figure skater Johnny Weir, actor Dean Winters and lawyer Gloria Allred.

* Lifetime is plotting a made-for-TV sequel to The Omen, titled Damian, according to The Hollywood Reporter.