Watch out, Storybrooke: Ethan Embry's headed to town!
According to TVLine, the "Grey's Anatomy" newbie will make an appearance on the ABC's "Once Upon A Time" as a mysterious visitor, with all other details being kept under wraps.
In addition to "Grey's Anatomy," Embry's TV appearances include "Drop Dead Diva" and "CSI: Miami."
In other casting news...
Kathleen Quinlan has joined "Chicago Fire." The former "Apollo 13" actress has joined the NBC drama for a multi-episode arc as Lt. Matthew Casey's (Jesse Spencer) mother. [THR]
Joe Mazzello will recur on "Justified." Mazzello has secured a multi-episode arc on the FX series as a preacher who has saved the lives of drug addicts. [Deadline]
Nancy Lee Grahn is stopping by "Castle." The "General Hospital" actress will guest star on the ABC drama as Samantha Voss, a rich divorcee. [TVLine]
Sterling K. Brown will appear on "Person Of Interest." The "Army Wives" star will recur on the CBS series as narcotics detective Cal Beecher. [Deadline]
Carrie Bradshaw's getting a little Broadway in her life. Broadway actor Kyle Harris has booked a recurring roll on the CW's midseason drama "The Carrie Diaries" as a college freshman who dates Carrie's friend Mouse, played by Ellen Wong. [THR]
Charlene Tilton, Joan Van Ark and Ted Shackelford will appear on "Dallas." The "Knots Landing" alumni will appear on TNT's revival when it returns in Summer 2013. [TV Guide]