CHARLIE HELPS DON BREAK A SECRET CODE FOUND AT A CRIME SCENE THAT COULD UNCOVER A PLAN FOR THE ASSASSINATION OF A COLUMBIAN EXILE, ON "NUMB3RS," FRIDAY, OCT. 7

Elizabeth Pe�a ("Suburban Madness") Guest Stars

"Assassin" -- Don and his team find a suspicious code during a raid which Charlie determines is part of a secret plan to assassinate a Columbian exile living in Los Angeles, on NUMB3RS, Friday, Oct. 7 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Bobby Roth directed the episode from a script by Co-Creators and Executive Producers Cheryl Heuton and Nick Falacci. (Previously scheduled for an earlier date)

Elizabeth Pe�a guest stars as Sonya Benavides, Minister Counselor from Colombia.

Along with David Sinclair and new FBI Agent Colby Granger, Don discovers a secret code during a raid and enlists Charlie's help to crack it. Using an elaborate game theory model called "hide and seek," Charlie discovers that it is a plan for the assassination of a Columbian exile living in Los Angeles. Charlie and Megan combine their expertise and work closely together to try to prevent the murder from taking place.

Don Eppes: Rob Morrow
Charlie Eppes: David Krumholtz
Alan Eppes: Judd Hirsch
David Sinclair: Alimi Ballard
Larry Fleinhardt: Peter MacNicol
Megan Reeves: Diane Farr
Amita Ramajuan: Navi Rawat
Colby Granger: Dylan Bruno
Gabriel Ruiz: Jordi Vilasuso
Henry Korfelt: Christian Clemenson
Elsie Korfelt: Carol Locatell
Sonya Benavides: Elizabeth Pe�a
US Marshall: Demetrius Grosse
Condor: Ray Proscia
Techie: Nick Roth
Warren Wells: Taso Papadakis
Agent #1: Aaron MacPherson
LAPD #1: Gary McDonald

RATING: To Be Announced