Numb3rs Second season

Overview
The second season of Numbers, an American television series, premiered on September 23, 2005 and its season finale was on May 19, 2006. Season two sees several changes to Don's FBI team: Terry Lake is reassigned to Washington DC and two new members join Don and David Sinclair: Megan Reeves and Colby Granger. Charlie is challenged on one of his long-standing pieces of mathematical work and also starts work on a new theory, Cognitive Emergence Theory. Larry sells his home and lives a nomadic lifestyle, while he becomes romantically involved with Megan. Amita receives an offer for an assistant professor position at Harvard University, but is plagued by doubt as her relationship with Charlie is challenged and her career is in upheaval. Alan begins working and dating again, though he struggles with the loss of his wife.

Main

 * Rob Morrow as Don Eppes
 * David Krumholtz as Charlie Eppes
 * Judd Hirsch as Alan Eppes
 * Alimi Ballard as David Sinclair
 * Navi Rawat as Amita Ramanujan
 * Diane Farr as Megan Reeves
 * Peter MacNicol as Larry Fleinhardt

Recurring

 * Dylan Bruno as Colby Granger
 * Lou Diamond Phillips as Ian Edgerton
 * Sarah Carter as Nadine Hodges
 * Colin Hanks as Marshall Penfield
 * Michelle Nolden as Robin Brooks
 * Will Patton as Detective Gary Walker

Guest

 * Alan Rosenberg as Judge Franklin Trelane
 * Jordi Vilasuso as Gabriel Ruiz
 * Christian Clemenson as Henry Korfelt
 * Elizabeth Peña as Sonya Benavides
 * Scott Cohen as James Grace
 * Christina Chang as Val Eng
 * Melinda Page Hamilton as Jennifer Nash
 * John Heard as Peter Houseman
 * Cynthia Preston as Mrs. McHugh
 * Kate Burton as Anthropologist
 * Clyde Kusatsu as Antiquities Dealer
 * Mark Damon Espinoza as Frank Lopez
 * Sophina Brown as Bianca Styles