Washington DC, April 1 -- Actor Daryl McCormack has joined the cast of Apple TV's upcoming untitled thriller series starring Dakota Fanning and Stellan Skarsgard, according to Deadline.

The series is created by Emmy-winning creator Alex Cary, known for projects like A Spy Among Friends and Homeland. Backed by Sony Pictures Television, the show follows an undercover Treasury agent played by Fanning, who infiltrates a powerful international conglomerate with far-reaching political and criminal links. As her mission unfolds, her character finds herself conflicted when she begins to believe that her main target--the heir to the empire--may not be as corrupt as he appears.

McCormack will play Kar, the reluctant heir to the conglomerate, whil...