Main cast •
Kate Walsh as Dr.
Addison Montgomery •
Benjamin Bratt as Dr. Jake Reilly •
Paul Adelstein as Dr.
Cooper Freedman •
KaDee Strickland as Dr.
Charlotte King •
Brian Benben as Dr.
Sheldon Wallace •
Caterina Scorsone as Dr.
Amelia Shepherd •
Griffin Gluck as Mason Warner •
Taye Diggs as Dr.
Sam Bennett •
Amy Brenneman as Dr.
Violet Turner Recurring cast •
Matt Long as Dr. James Peterson •
Justina Machado as Stephanie Kemp •
Carter MacIntyre as Nick Calhoun •
Charlie Hofheimer as Ron Nelson •
Chryssie Whitehead as Dana Nelson •
Diane Farr as Miranda •
Aloma Wright as Mildred Clemons • Missy Yager as Megan Stewart •
Emily Rios as Angela Reilly •
Marianne Jean-Baptiste as Gabi Rivera •
Blue Deckert as Joe Price •
Kylie Rogers as Sarah Nelson • Jack Bobo and Joey Bobo as Lucas Wilder • Emily Moss Wilson as Judi
Guest stars •
Audra McDonald as Dr.
Naomi Bennett •
Alex Rocco as Ed Diamanti •
Robert Pine as Jim Wallace •
Richard Roundtree as Raymond McCray •
L. Scott Caldwell as Jillian McCray •
Alfre Woodard as Dee Bennett •
Deanna Dunagan as Dr. Vivian Carlsmith •
Marisol Nichols as Lily Reilly •
Lee Garlington as Stella Peterson •
Faran Tahir as Charles Following the renewal of
Private Practice, it was announced that
Tim Daly would not be returning to the show because of budgetary reasons, and his character would be killed off in the season premiere. In June 2012,
Kate Walsh announced that she would be leaving
Private Practice after this season, but suggested that the show could still go on without her. Cast mates
Benjamin Bratt,
Paul Adelstein,
KaDee Strickland,
Brian Benben,
Caterina Scorsone,
Griffin Gluck,
Taye Diggs, and
Amy Brenneman all returned as their characters for the sixth season. In September 2012, it was announced that actor
Matt Long had been cast in a recurring role as James Peterson, the new ER attending, and a potential love interest for Amelia. In September 2012, it was announced that
Alfre Woodard was cast as Sam's mother, Dee Bennett. After months of speculation it was announced that
Audra McDonald was to return during the season finale, and reprise her role as
Naomi Bennett. In November 2012, it was announced that
Diane Farr was cast in a recurring role, for the last three episodes of the series, as Miranda, a love interest for Sheldon. ==Plots==