Eion is known for his performances in the critically acclaimed HBO miniseries Band of Brothers, and the long-standing television drama ER. Some of his film credits include Fight Club, Almost Famous, Center Stage, and Mindhunters. He also co-starred with Antonio Banderas in the HBO original movie, And Starring Pancho Villa As Himself.
He has won, and been nominated for numerous awards, and is the recipient of a Day- time Emmy for his Outstanding Performance in the movie Life of the Party. Most recently he has received critical acclaim as rogue CIA agent Ben Mercer, opposite Piper Perabo in USA's Covert Affairs.
Eion can be seen in ABC's Once Upon A Time, where he has been introduced as a series regular.
