Olivia Wilde is playing a key role this season on House.
Autumn Reeser will appear on season six of Entourage.
But what about the original female lead on The OC?
According to Zap2It, she may also be heading for the small screen again, as an industry insider says Mischa Barton is testing for a role on The CW's Melrose Place remake. Reportedly, the network is very excited about her.
Are you? Would you wanna see Barton back on a weekly series?