Born 1982 (age 43) · Pennsylvania, USA
Appears in 35 titles

Katie Elizabeth Walder is the youngest of 5 children - 2 brothers and two sisters. She started acting at a young age in musicals and plays in school, and did some print work as a young teen in such magazines as Teen and YM. She went on to study theatre in college, and upon moving to NYC after graduation, started working professionally in theatre with notable Broadway directors such as Michael Greif (original director for "Rent"), Keith Reddin and Daniel Aukin. Katie soon moved to Los Angeles and quickly landed a recurring role on the 4th Season of Gilmore Girls (2000) as "Janet Billings", the quirky/tough/athletic college roommate of Rory. She has been working steadily in film & TV ever since. Along with Gilmore Girls, Walder is best known for her recurring roles on How I Met Your Mother as Shannon and Mad Men as Sherry. She has appeared in over 40 television shows, including New Girl, Franklin & Bash, Fairly Legal, The Good Wife, Supernatural, and Rules of Engagement. In 2007, she played Tori (Zach's girlfriend) in the award-winning independent film "Shelter." In 2014, she starred in the horror film "Come Back to Me."

Filmography

The Open House
3.7
The Open House
2018
as Allison
Shelter
7.8
Shelter
2007
as Tori
Extreme Movie
4.4
Extreme Movie
2008
as Drunk Girl
Come Back to Me
5.7
Come Back to Me
2014
as Sarah
The Neighbor
5.2
The Neighbor
2007
as Nancy
A Christmas to Treasure
4.8
A Christmas to Treasure
2022
as Tipper Tisdale
Cupid
5.3
Cupid
2012
as Trina
30 Nights
4.4
30 Nights
2018
as Megan
Always and Forever
6.1
Always and Forever
2009
as Lindsay Taylor
McBride: Semper Fi
6.4
McBride: Semper Fi
2007
as Kaia Rourke
It Happened in L.A.
5.0
It Happened in L.A.
2017
as Zafu Girl
The Energy Specialist
The Energy Specialist
2016
as Paige