THE DEATH OF A YOUNG BOTANIST LEADS THE TEAM INTO THE LUCRATIVE WORLD OF MEDICAL MARIJUANA, ON "THE MENTALIST," SUNDAY, DEC. 9

Samaire Armstrong Returns as Summer, Cho's Former CI and Girlfriend

Monique Gabriela Curnen ("Lie to Me") Returns as Agent Tamsin Wade, A CBI Agent in the Gang Division

"Panama Red" - The death of a young botanist leads the team into the lucrative world of medical marijuana, while Cho's work with the rapid response team brings him back into contact with Summer, on THE MENTALIST, Sunday, Dec. 9 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Samaire Armstrong returns as Summer, Cho's former CI and girlfriend. Monique Gabriela Curnen ("Lie to Me") returns as Agent Tamsin Wade, a CBI agent in the Gang Division.

SERIES REGULARS:

Simon Baker (Patrick Jane)
Robin Tunney (Teresa Lisbon)
Tim Kang (Kimball Cho)
Owain Yeoman (Wayne Rigsby)
Amanda Righetti (Grace Van Pelt)

GUEST STARS:

Monique Gabriela Curnen (Agent Tamsin Wade)
Samaire Armstrong (Summer)
David Noro�a (DDA Ardiles)
Troy Ruptash (Matthew Gold)
Nicole Bilderback (Francesca Ehrlich)
Susan Gibney (Alice Burns)
Paul David Story (Carson)
Michael Whaley (Elwood Pierce)
Jack Laufer (Stuart Davis)
James Jordan (Chuck Calloway)
Ross Mackenzie (Marshall)
Porter Kelly (Chuck's Sister)

WRITTEN BY: Michael Weiss

DIRECTED BY: Guy Ferland

RATING: TV14-LV