
Katie Walder
Acting • Born 1982-10-13
Biography
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
34 credits
Cupid
Movie • 2012
Trina

Shelter
Movie • 2007
Tori

Extreme Movie
Movie • 2008
Drunk Girl

Come Back to Me
Movie • 2014
Sarah

The Neighbor
Movie • 2007
Nancy

A Christmas to Treasure
Movie • 2022
Tipper Tisdale

The Energy Specialist
Movie • 2016
Paige

McBride: Semper Fi
Movie • 2007
Kaia Rourke

The Open House
Movie • 2018
Allison

It Happened in L.A.
Movie • 2017
Zafu Girl

30 Nights
Movie • 2018
Megan

How I Met Your Mother
TV • 2005
Shannon

CSI: Miami
TV • 2002
Melinda Carson

Cold Case
TV • 2003
Beth Adams (1978)

Law & Order: Special Victims Unit
TV • 1999
Carey Thorne

Without a Trace
TV • 2002
Claire Norton

The New Adventures of Old Christine
TV • 2006
Hannah

Gilmore Girls
TV • 2000
Janet Billings

Saving Grace
TV • 2007
Patty

Trust Me
TV • 2009
Jacy

New Girl
TV • 2011
Cheryl

Hustle
TV • 2004
Janet

Mad Men
TV • 2007
Sherry

The Mentalist
TV • 2008
Nancy Sterling

The Good Wife
TV • 2009
Jennifer Lewis

Supernatural
TV • 2005
Fate / Atropos

How to Get Away with Murder
TV • 2014
Kelly Bryce

Scorpion
TV • 2014
Jane Addison

Lethal Weapon
TV • 2016
Denise Barnes

Grimm
TV • 2011
Elisha

Station 19
TV • 2018
Nancy

Rules of Engagement
TV • 2007
Claire

Franklin & Bash
TV • 2011
Kerry Dutton

S.W.A.T.
TV • 2017
Stacey