SHERLOCK IS CALLED TO INVESTIGATE WHEN A SUPPOSEDLY UNBREACHABLE BANK VAULT IS BROKEN INTO, ON "ELEMENTARY," ON THURSDAY, DEC. 13

Freda Foh Shen ("Everwood") Guest Stars as Maxine Watson, Joan's Mother

"The Leviathan" - Sherlock is called in to investigate when a supposedly uncrackable bank vault called "The Leviathan" is breached. Meanwhile, Joan is pleasantly surprised when Sherlock meets her family and defends her choice to become a sober companion, on ELEMENTARY, Thursday, Dec. 13 (10:01-11:00 PM, ET/PT) on the CBS Television Network.

SERIES REGULARS:

Jonny Lee Miller (Sherlock Holmes)
Lucy Liu (Joan Watson)
Aidan Quinn (Captain Tommy Gregson)
Jon Michael Hill (Detective Marcus Bell)

GUEST CAST:

Freda Foh Shen (Mary Watson)
Stephen Park (Oren Watson)
Gbenga Akinnagbe (Jeremy Lopez)
Reg Rogers (Micah Erlich)
David Batonvert (John Bolger)
Gabrielle Harper (Jennifer Kim)
Gwen Lynch (Tonya Glanz)
Alan Kent (Glenn Kalison)
Dee Hoty (Patsy)
Charles Briggs (Sean Dugan)
Nathaniel McIntyre (Uniform) Sue Simmons (Reporter)

WRITTEN BY: Corinne Brinkerhoff and Craig Sweeny, one of the executive producers

DIRECTED BY: Peter Werner

RATING: To Be Announced