THE TRAGIC DEATH OF AN EX-GIRLFRIEND AND FELLOW AGENT CAUSES DON TO REEVALUATE HIS PROFESSIONAL AND PERSONAL LIFE, ON "NUMB3RS," FRIDAY, APRIL 21

"Guns and Roses" -- Don takes a deeper look at his life after he investigates the circumstances surrounding an ex-girlfriend's death, on NUMB3RS, Friday, April 21 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Emmy nominated director Stephen Gyllenhaal directed the episode. Robert Port wrote the teleplay from a story by Robert Port and Mark Llewellyn.

When an ATF agent is found dead amid questionable circumstances, Don demands to take on the case, which revolves around an elaborate bank heist, after he learns the victim is his ex-girlfriend. As the pressure of his job mounts, Don recognizes the impact his professional life has on his personal life and he decides to investigate his flirtation with AUSA Robin Brooks.

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
ATF Agent Rho: Eric Steinberg
ATF Agent Annie Wilson: Lesley Fera
AUSA Robin Brooks: Michelle Nolden
ATF Supervisor Eric Turner: Markus Flanagan
Richard Davis: Matthew John Armstrong
Roy Mitchell: Joshua Leonard
Nikki Davis: Sandra Lindquist
Guard: Bobby Hall

RATING: To Be Announced