Sara Rue Sara Rue

The heroes of Bones are going to get some extra help this season.

The veteran Fox drama has cast Sara Rue for a multi-episode arc, TVGuide.com has learned exclusively. Rue will play Leslie Green, a seemingly flaky but quite intelligent behavioral analyst who is assigned to work with Booth (David Boreanaz) on his latest case. However, when Booth is less than impressed with her insights, she becomes doggedly determined to make herself useful.

Is This the last season of Bones?

Rue will make her first appearance in the second — and from what I hear, very pivotal — episode of Bones' two-hour fall finale on Dec. 10. She is also slated to recur in the back half of the season.

Rue currently stars on TV Land's Impastor. Her previous TV credits include Popular, Malibu Country and Rules of Engagement.

Bones airs Thursdays at 8/7c on Fox.

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