THE BAU TEAM MUST RESPOND TO THE AFTERMATH OF A TERRORIST BOMBING IN NEW YORK CITY, ON THE FOURTH SEASON PREMIERE OF "CRIMINAL MINDS," WEDNESDAY, SEPT. 24

Michael Steger ("90210") Guest Stars

"Mayhem" - When an SUV carrying members of the BAU explodes, the rest of the team fights to save their colleagues and catch the terrorists responsible for the bombing, on the fourth season premiere of CRIMINAL MINDS, Wednesday, Sept. 24 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Michael Steger ("90210") guest stars.

SERIES REGULARS:

David Rossi: Joe Mantegna
Aaron Hotchner: Thomas Gibson
Emily Prentiss: Paget Brewster
Derek Morgan: Shemar Moore
Dr. Spencer Reid: Matthew Gray Gubler
Jennifer: A.J. Cook
Garcia: Kirsten Vangsness

GUEST CAST:

Sam: Michael Steger
Kate Joyner: Sienna Guillory
Detective Brustin: Jack McGee
TV News Reporter: Monica Young
Lisa Bartleby: Moe Daniels
Shelly: Amie Farrell
ESU One: Geoff Reeves
Captain: Warner Greg Collins
ESU Two: Brandon Hirsch
Ben Abner: Adoni Maropis
Colm Lagan: Joe Basile
Detective Cooper: Erik Palladino
Dr. Shore: Loren Lester

WRITTEN BY: Simon Mirren, one of the series' co-executive producers

DIRECTED BY: Edward Allen Bernero, one of the series' executive producers

RATING: To Be Announced