Amy Acker is headed to ABC.

The Person of Interest star will appear on an upcoming episode of Marvel's Agents of S.H.I.E.L.D. 

According to TV Guide, the veteran actress will come on board as Audrey, a cellist first mentioned in The Avengers as being the love of Phil Coulson's life.

When we meet the character, she'll be situated in Portland, unaware Coulson is alive and/or guarding her from a distance as a serious threat from her past re-emerges.

Acker has also appeared on Once Upon a Time, The Good Wife and Alias.

Her episode airs on April 22.

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