THE TEAM SEARCHES FOR A DEPARTMENT STORE SANTA WHO GOES MISSING AFTER RECEIVING A DEATH THREAT, ON "WITHOUT A TRACE," THURSDAY, DEC. 13

"Claus and Effect" - The team tries to determine whether or not a college student and former child prodigy, who disappears while working in a mall as Santa Claus, has been using his genius for criminal endeavors, on WITHOUT A TRACE, Thursday, Dec. 13 (10:00-11:00 PM, ET/PT) on the CBS Television Network.

SERIES REGULARS:

Jack Malone: Anthony LaPaglia
Samantha Spade: Poppy Montgomery
Vivian Johnson: Marianne Jean-Baptiste
Danny Taylor: Enrique Murciano
Martin Fitzgerald: Eric Close
Elena Delgado: Roselyn Sanchez

GUEST CAST:

Glen Beckett: Josh Heine
Monica Beckett: Lisa Waltz
Brenda Spivak: Meredith Eaton-Gilden
Dr. McNeil: Jim Piddock
Donna: Dee Dee Pfeiffer
Russell Beeman: Jordan Lund
Zoe Fuller: Lindsey Haun
Armand Mutsakis: David Gianopolous
Brad Harris: Steve Tom
Jared: Brandon Killham
Teenage Elf: Nick Nordella
Travis: Nick Roth
Little Glen: Jake Johnson

WRITTEN BY: David Amann and Alicia Kirk

DIRECTED BY: Bobby Roth

RATING: To Be Announced