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."
2022
as Tipper Tisdale
2018
as Nancy
2018
as Allison
2017
as Zafu Girl
2016
as Denise Barnes
2016
as Paige
2014
as Kelly Bryce
2014
as Jane Addison
2014
as Sarah
2012
as Trina
2011
as Elisha
2011
as Cheryl
2011
as Kerry Dutton
2009
as Jennifer Lewis
2009
as Jacy
2008
as Drunk Girl
2008
as Nancy Sterling
2007
as Nancy
2007
2007
as Sherry
2007
as Tori
2007
as Claire
2007
as Kaia Rourke
2006
as Hannah
2005
as Shannon
2005
as Fate / Atropos
2004
as Janet
2003
as Beth Adams (1978)
2002
as Claire Norton
2002
as Melinda Carson
2000
as Janet Billings
1999
as Carey Thorne