CSI: Crime Scene Investigation released a flood of casting news on Wednesday, including roles for Disney's Bella Thorne and Crisis' Mark Valley.

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The long-running CBS procedural is currently wrapped up filming episode 4 of season 15, and series has a popular-girl high school role lined up for Thorne while Valley has signed on for a recurring role as a PI.

Shake It Up's Thorne will stow her dance gear and head to Las Vegas to play Hannah, "a very popular high school student with everything going for her," according to E!. Book smart and athletically gifted, the youngster will land herself of the CSI suspect radar when a fellow student turns up dead.

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Meanwhile, Valley will spark a little sexual tension between himself and Finlay (Elisabeth Shue), according to Entertainment Weekly. With his partner missing, the former detective will partner with the CSI several times throughout the season.

"While their relationship may be a bit prickly, the attraction between them is undeniable," Entertainment Weekly reported.

Find out more when CSI: Crime Scene Investigation returns to CBS this fall. Click the video below to see a preview of the series' latest episode.