Originally intended for the Office actress Ellie Kemper, Anna will play Cassie, an attractive, available, an unfortunate guest at the wedding will occur throughout the CBS sitcom’s 9th and final season.
Because the wedding is going to be featured throughout the season, it is possible that Camp may appear in more than 1 episode.
Source: TV Line.com- “HIMYM Exclusive: Anna Camp Replaces Ellie Kemper as Wedding Guest from Hell”
Image Credit: Axelle, Bauer-Griffin