A mysterious stranger is set to make things rather interesting down Newport Beach.
Kirsten makes friends with another woman in rehab and brings her back home.
Producers think the character of Charlotte Morgan could be a big hit on the third series of the teen show.
Charlotte, who will appear for seven episodes of the new series, will be played by German-born actress Jeri Ryan, 36, best known for her role as Gwendolyn in 2003 movie Down With Love.
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