From ABC's official press release:

As Addison and Kevin struggle in their relationship, she finds herself attracted to Wyatt, the cocky doctor from rival Pacific Wellcare, while Violet seeks a way to carry on relationships with both Pete and Sheldon, and Cooper grows closer to Charlotte when she experiences a family emergency.

Private Practice stars Kate Walsh as Dr. Addison Montgomery, Tim Daly as Dr. Pete Wilder, Audra McDonald as Dr. Naomi Bennett, Taye Diggs as Dr. Sam Bennett, Amy Brenneman as Dr. Violet Turner, Paul Adelstein as Dr. Cooper Freedman, Chris Lowell as William "Dell" Parker, and KaDee Strickland as Dr. Charlotte King.


Source: ABC
(Image Courtesy of ABC)