Walder is best known for her recurring roles on Gilmore Girls as Janet Billings, How I Met Your Mother as Shannon, and Mad Men as Sherry.

She has appeared in over 50 television shows, including New Girl, Franklin & Bash, Fairly Legal, The Good Wife, Supernatural, and Rules of Engagement.

In 2007, she played Trevor Wright's girlfriend in the film Shelter.

[2][3] Walder began her career in New York City, performing in stage roles.

This article about a United States film and television actor born in the 1980s is a stub.