The ninth season of Law & Order: Criminal Intent premiered on the USA Network on March 30, 2010, and ended on July 6, 2010. After the two-part season premiere, Vincent D'Onofrio, Kathryn Erbe, and Eric Bogosian left the show. Bogosian's character (Capt. Daniel Ross) was killed off in the first part of the premiere. Bogosian was replaced in the cast by Mary Elizabeth Mastrantonio, playing Captain Zoe Callas. Saffron Burrows joined the cast (as Detective Serena Stevens), replacing Julianne Nicholson (who was pregnant and having a child during taping) who played Detective Megan Wheeler. Jeff Goldbum assumed the leading role. The scene cards return in this season after three seasons. Episodes from the ninth season of Law & Order: Criminal Intent also aired on NBC beginning Sunday, June 20 at 10:00 PM (Eastern) with repeats of those episodes airing Saturdays starting June 26 at 8:00 PM (Eastern). The episodes aired on NBC until Sunday, September 5, 2010. Bravo began airing season 9 episodes during early morning hours on Sundays starting November 21 at 2:00 AM until 4:00 AM.

Cast

Main cast

Recurring cast

Guest stars

Episodes