Thesp returns to tube in Fox soap

Jeri Ryan is back at Fox, signing on for a recurring role on “The OC.”

Thesp, who appeared in the net’s “Boston Public,” will play Charlotte Morgan, a woman with a secret who becomes buddies with Kirsten (Kelly Rowan) while the latter character dries out in rehab. Ryan’s expected in at least seven segs of the Warner Bros. TV-produced skein, which starts its third season in September.

Ryan is best known for her role on “Star Trek: Voyager.” She played an adulterous married woman in this spring’s CBS pilot “The Commuters,” which was not picked up to series.

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