January 2, 2008 - Tune in as Jeremy Sisto and Linus Roache join the cast of "Law & Order." The show, now beginning its eighteenth season, premieres tonight on NBC.

The two hour episode, airing at 9pm EST, is entitled "Called Home/Darkness." Jeremy Sisto plays Detective Cyrus Lupo, Jesse L. Martin's new partner, while Linus Roache portrays Chief Assistant District Attorney Michael Cutter, stepping into the shoes of Jack McCoy. McCoy, played by Sam Waterston, is now the newly appointed District Attorney.

"Law & Order," the longest-running crime series and the second-longest-running drama series in the history of television, is filmed entirely in New York City.