Pilot Casting Updates: Milo Ventimiglia, Ashley Tisdale, Titus Welliver and More!

Sit back and relax, TV Fanatics. Have we got a slew of pilot casting scoops for you to take and consider...

Milo Ventimiglia (Heroes) has signed on for L.A. Noir, the upcoming TNT drama written by Frank Darabont and centering on the 1940s/50s rivalry between Los Angeles Police Chief William Parker and boxer-turned-mobster Mickey Cohen.

Ashley Tisdale will team with Louis C.K. and former Seinfeld scribe Spike Feresten on an untitled ensemble comedy about young people trying to achieve creative success. Last week's Raising Hope guest star will portray the assistant to a clothing designer.

Titus Welliver (Lost, The Good Wife, CSI, every other show on television) will portray the leader of Midnight Sun, a cult-like commune, on an NBC drama by the same name. It's based on the disappearance of Alaskan commune members and the FBI-investigated conspiracy behind it.

Monica Raymund, who appeared to exit The Good Wife last Sunday, has signed on for Dick Wolf's Chicago Fire, which is based on the lives of Chicago firefighters. Taylor Kinney is already on board.

Colin Donnell (Pan Am) will play Oliver Queen’s BFF on The CW's Arrow.

Dichen Lachman (Dollhouse/Being Human) will portray a bar owner on Last Resort, an ABC drama from Shawn Ryan that stars Andre Braugher as the captain of a U.S. nuclear submarine that establishes its own nation on an island.

Which of these casting scoops has you most excited?

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.