According to Entertainment Weekly, the "Office Space" and "Sex and the City" star will be a series regular on "Boardwalk Empire," playing a wealthy businessman who comes to town and gets attention from Gillian Darmody (Gretchen Mol).
Livingston's other TV credits include "The Practice," "Game Change" and "Band of Brothers."
In other casting news ...
"The Hunger Games" collides with "Teen Wolf" this season. "Hunger Games" actor Ian Nelson will play a younger version of Derek Hale (Tyler Hoechlin) in a flashback episode of "Teen Wolf." [E! Online]
Christine Ebersole will guest star on "Smash." Ebersole recorded a bonus song for the NBC show's soundtrack and will appear as herself in an episode set to air later this season. [BroadwayWorld]
"Mean Girls'" Aaron Samuels is heading to "The Glades." Jonathan Bennett, who was the object of affection in Tina Fey's teen hit, will play the brother of lab tech Daniel Green (Jordan Wall). [Celebuzz]