Casting Announcement for Season 6

By ABC.com Jul 15, 2013

Actress Lisa Edelstein of House fame will be joining Castle as a federal investigator for a multi-episode arc in Season 6! The new season begins MONDAY SEP 23 10|9c.

Edelstein recently guest starred on Scandal in the episode "Top of the Hour." See her in action in the emotional scene below from that episode.