( EW.com ) -- Jennifer Love Hewitt is returning to CBS : The actress is joining the network 's long-running hit procedural `` Criminal Minds '' as a series regular starting this fall . Hewitt will play Kate Callahan , a `` seasoned undercover agent whose stellar work at the FBI has landed her a coveted position with the Behavioral Analysis Unit . '' `` We 're thrilled to introduce a new special agent by adding the very talented Jennifer Love Hewitt to our amazing cast , '' said showrunner Erica Messer . `` Many of us on the show have enjoyed working with her over the years and look forward to again . We have exciting storylines planned for her character and the entire BAU team as we head into our 10th season . '' Hewitt starred in CBS ' `` The Ghost Whisperer '' for five seasons through 2010 , and after that joined the Lifetime series `` The Client List , '' which ran for two seasons . See the original story at EW.com . CLICK HERE to Try 2 RISK FREE issues of Entertainment Weekly . © 2011 Entertainment Weekly and Time Inc. All rights reserved .
The actress is returning to CBS . She previously starred on `` The Ghost Whisperer '' and was a regular cast member of the hit series ', which ran from 1998 - 2002.