S7, E12: In the 100th episode, the holiday cheer is interrupted when Santa's entrance into a Christmas Village via a zip line goes horribly wrong. FRED WILLARD (Best in Show, Modern Family) guest stars as Santa Jack, the village's owner, whom many believe to be the real Father Christmas. LAUREN BOWLES (True Blood) guest stars as the niece and business partner of Santa Jack, and CHRISTINE WOODS (FlashForward) guest stars as Buzz's visiting sister, who helps Brenda and the Major Crimes Division solve the holiday case.