TVLine Items: Under the Dome Deaths, Idol Alumni Return, GH Vet Visits Castle and More

Under the Dome Season 2 SpoilersCBS’ Under the Dome will kill off some of its residents in the Season 2 premiere, and the list of potential victims just got shorter.

Exec-producer Neal Baer tells TV Guide Magazine that two of the following six players will say goodbye: Sheriff Linda (played by Natalie Martinez), Norrie (Mackenzie Lintz), Norrie’s mom Carolyn (Aisha Hinds), DJ Phil Bushey (Nicholas Strong), slacker kid Ben (John Elvis) and hoarder Andrea (Dale Raoul).

RELATED | Under the Dome Season 2 Casts Eddie Cahill

A big hint about one of the possible deaths: Martinez was recently cast in ABC’s drama pilot Secrets & Lies.

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

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

• American Idol alumni Adam Lambert and Chris Daughtry will return to the show as mentors during Randy Jackson’s “Boot Camp” phase, which begins airing Feb. 18, per The Hollywood Reporter.

PHOTOS | American Idol: 21 Best Auditions of Season 13

• Just weeks after his onetime General Hospital costar Emily Wilson (ex-Ellie) guest-starred on Castle (in the “Dressed to Kill” episode), Bradford Anderson (ex-Spinelli) also is set to swing by the primetime ABC drama. Anderson will appear in the Feb. 24 episode, “Room 147,” which revolves around a murder to which multiple people confess, though none of them could possibly have done it.

RELATED | Castle Season 6 Spoilers — Badass Beckett, Sweeps 2-Parter Status

• Missed all the drama on Dallas? You’re in luck: TNT is running a 25-hour marathon of Seasons 1 and 2, beginning Sunday, Feb. 23 at 8/7c and ending right before the Season 3 premiere on Monday, Feb. 24 at 9 p.m.

* HLN plans to rebrand itself as the go-to network for the social-media generation. As part of the change, it will reformat its programming to gather news, trending topics and other viral content from all media platforms.

* A&E has ordered 18 more episodes of the reality series Wahlburgers, featuring Mark, Donnie and Paul Wahlberg as they expand their burger restaurant business in the Boston area.

* HBO has released a new trailer for its upcoming Silicon Valley, a comedy from Mike Judge (Beavis and Butt-Head, King of the Hill) about the Bay Area tech hotbed. Press PLAY for a sneak peek at the series, which premieres April 6.  Warning: The language is definitely NSFW.