Jennifer Love Hewitt Joins the Cast as Kate Callahan, A Seasoned FBI Undercover Agent Who Becomes the Newest BAU Member. Kerr Smith Guest Stars as Frank Cowles.
The BAU team investigates a series of murders in Bakersfield, Calif., which have left the victims unidentifiable. Also, the team welcomes new agent Kate Callahan into the BAU fold, who assists them in their efforts in solving the cases. Jennifer Love Hewitt joins the cast as FBI undercover agent Kate Callahan. Kerr Smith ("Dawson's Creek") guest stars as Frank Cowles.
Written by Erica Messer, one of the series' executive producers
Directed by Glenn Kershaw
Joe Mantegna as David Rossi
Thomas Gibson as Aaron Hotchner
Shemar Moore as Derek Morgan
Matthew Gray Gubler as Dr. Spencer Reid
A.J. Cook as Jennifer "JJ" Jareau
Kirsten Vangsness as Penelope Garcia
Jennifer Love Hewitt as Kate Callahan