The Oscar nominated actress will replace Marg Helgenberger on the CBS forensic series starting February 15.
The actor will become a series in it's 12th season premiere Wednesday, September 21.
We also take a look James Franco asking Judd Apatow advice on how to host the Oscars and Justin Bieber getting killed on CSI.
The teen pop singer reprises his role as troubled teen Jason McCann in an upcoming episode of the crime drama.
The Canadian pop star makes his acting debut on the Season 10 premiere tonight at 10 PM ET on CBS.
The network's season kicks off on September 15 with Survivor: Nicaragua.
The new star of the show has signed on for another season of the CBS hit.
The best-selling musical artist of 2008 makes a guest appearance.
The veteran actor talks about coming on board to this hit CBS series.
The veteran actor has signed on to fill William Petersen's vacant lead role.
Succeeding William Petersen as the star of the CBS drama.
The actor, who has been with the series since inception, will be pursuing other venues.
Playing Bryce Adams, a smart, flirtatious and witty nonconformist.
The marks the second major departure this season.
He will only be appearing on a limited number of episodes.
Her contract expired at the end of last season.
She will play a CSI in training.
Epidsode airs April 5th on CBS.