Emily Swallow has landed a major role on The Mentalist.

The actress (Southland, Monday Mornings) will come on board the CBS drama as Kim Fischer, described by TV Line "an enigmatic woman" who will form some kind of relationship with Jane. She is currently booked for three episodes.

Like Rockmond Dunbar, who was cast last month as a no-nonsense FBI agent, Swallows may end up as a series regular, with the show looking to replace Amanda Righetti and Owain Yeoman once they depart about halfway through The Mentalist Season 6.

New episodes of this hit return on Sunday, September 29.

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.