Carol Christine Hilaria "C. C. H." Pounder (born December 25, 1952) is a Guyanese-born American actress. She has appeared in numerous films, made-for-television films, television miniseries, and plays, and has made guest appearances on notable television shows. From 2002 to 2008, she starred as Detective Claudette Wyms in the FX police drama The Shield. In 2009, she appeared as Mo'at in James Cameron's film Avatar. She starred in recurring roles as Mrs. Irene Frederic on the series Warehouse 13 until its series finale on May 19, 2014 and DA Tyne Patterson on the FX series Sons of Anarchy. Currently she portrays medical examiner Dr. Loretta Wade on .