TVLine Items: HBO Eyes Olivia Munn, GH Stages an Intervention, and Other TV News to Know

Aaron Sorkin’s buzzy HBO pilot, More as This Story Develops, is putting the finishing touches on one helluva impressive ensemble.

In addition to Marisa Tomei — who is thisclose to finalizing a deal as the project’s female lead — Deadline is reporting that Perfect CouplesOlivia Munn and In Treatment‘s Alison Pill are both in talks for supporting roles.

Veteran actor Jeff Daniels is already poised to star in Sorkin’s latest TV venture, which is set in the world of cable news reporting.

Ready for more of today’s TV dish? Well…

• Six-time Emmy winner Anthony Geary gets yet another moment to shine on ABC’s General Hospital this Thursday, when the family and friends of his alter-ego Luke Spencer stage an intervention over his excessive drinking. Take a look at two scenes from his moving performance, courtesy of TV Guide Magazine.

• Same name, different channel: Countdown With Keith Olbermann (sound familiar?), the former MSNBC host’s new nightly news show, will debut Monday, June 20 at 8/7c, on Current TV.

• NBC’s Law & Order: LA is planning another controversial “ripped from the headlines” episode, this time fictionalizing the horrific shooting of Arizona Congresswoman Gabrielle Giffords, says EW.com.

• Mad Men, Boardwalk Empire and Glee will compete for Best International Show at the 2011 British Academy Television Awards (better known as the BAFTAs) on Sunday, May 22.

Ron Livingston (Band of Brothers) is set to costar in HBO’s John McCain-centric original movie Game Change, say Deadline.

Which TVLine Items have you talking today?