"Calculated Risk" -- Don and his team must solve the murder of a CFO of a large energy corporation who is found murdered on her doorstep and her young son is the only witness, on a rebroadcast of NUMB3RS, Friday, Jan. 20 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Bill Eagles directed the episode written by J. David Harden. (Originally broadcast 10/14/05)

Don and Megan are called to a murder scene when the CFO of a powerful energy company, who was about to testify against fellow executives for stock fraud, is found dead at home with the only witness being her 11-year-old son. Knowing there could be thousands of disgruntled ex-employees, Don calls on Charlie to help narrow down the list of potential suspects, but is surprised when the investigation takes them in a different direction.

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
Nadine Hodges Sarah Carter
Daniel Shay Josh Eriksson
Lucinda Shay Grace Phillips
Security Man Sky Soleil
Thomas Galway Richard Fancy
Edward Barret Richard Cox
Malcolm Galway Raphael Sbarge
Mrs. Standbury Jennifer Jacobson
Morton Standbury Jeff Perry

RATING: TVPG-LV

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Official CBS website: http://www.cbs.com/primetime/numb3rs/