HOLMES AND WATSON SEARCH FOR A THIEF WHO COMMITS MURDER TO PROCURE A RARE MAP, ON "ELEMENTARY," THURSDAY, DEC. 4

Mamie Gummer Guest Stars as Margaret Bray, a Wealthy New York Heiress

"Terra Pericolosa" - Holmes and Watson search for a thief who committed murder to steal a rare map. Meanwhile, Watson becomes concerned with Sherlock's escalating interference into Kitty's burgeoning personal life, on ELEMENTARY, Thursday, Dec. 4 (10:00-11:00 PM, ET/PT), on the CBS Television Network. Mamie Gummer guest stars as wealthy New York heiress, Margaret Bray.

REGULAR CAST:

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

GUEST CAST:

Ophelia Lovibond (Kitty Winter)
Mamie Gummer (Margaret Bray)
Eric Schweig (Leon Moody)
Skipp Sudduth (William Ziff)
K.Todd Freeman (Rafael)
Liv Rooth (Sharon Tavener)

STORY BY: Bob Goodman and Jeffrey Paul King

WRITTEN BY: Bob Goodman

DIRECTED BY: Aaron Lipstadt