
Acting
Jessalyn Gilsig (born November 30, 1971) is a Canadian actress known for her roles in the television series Boston Public, Nip/Tuck and as Will Schuester's ex-wife Terri Schuester in Glee. She has also appeared in several episodes of NYPD Blue, Prison Break, and Heroes as well as several other series.
Description above from the Wikipedia article Jessalyn Gilsig, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Spree
as Andrea

Cognitive

The Sweetheart
as Samantha

Rescue Dogs
as Sandpiper - Narrator (voice)

Angels and Ornaments
as Corrine Nelson

Somewhere Slow
as Anna Thompson

Smart Cookies
as Julie

About Fifty
as Jessica

The Stepfather
as Julie King

Prom Night
as Aunt Karen Turner

1923
as Beverly Strafford · 1 ep.

Big Shot
as Holly Barrett · 20 ep.

Grand Hotel
as Roxanne · 1 ep.

Chicago Med
as Ainsley Towne · 4 ep.

Vikings: Athelstan's Journal
as Siggy (archive footage) · 5 ep.

Vikings
as Siggy Haraldson · 24 ep.

Scandal
as Vanessa Moss · 4 ep.

Harry's Law
as Brianna Marsh · 1 ep.

The Good Wife
as Janie Ludwig · 1 ep.

Glee
as Terri del Monico · 47 ep.
2004