By Natalie Abrams
Updated September 19, 2014 at 04:00 PM EDT
Credit: Cliff Lipson/CBS

The BAU team is growing!

In the newly released Criminal Minds key art, Jennifer Love Hewitt’s FBI agent Kate Callahan joins the team, filling the void left by Jeanne Tripplehorn’s Blake, who exited suddenly in the season finale.

The actress will make her debut in the season premiere, airing Oct. 1 at 9 p.m. ET on CBS.

Want more scoop on Criminal Minds? Pick up the Fall TV Preview issue of Entertainment Weekly.