
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."
Fate / Atropos
Carey Thorne
Nancy Sterling
Stacey
Melinda Carson
Shannon
Janet Billings
Elisha
Jennifer Lewis
Sherry
Jane Addison
Beth Adams (1978)
Cheryl
Claire Norton
Nancy
Kelly Bryce
Denise Barnes
Claire
Janet
Tori
Kerry Dutton
Trina
Hannah
Nancy
Allison
Sarah
Drunk Girl
Zafu Girl
Paige
Kaia Rourke
Jacy
Tipper Tisdale