THE TEAM SEARCHES FOR A SECRET SERVICE AGENT'S SON, ON "WITHOUT A TRACE," TUESDAY, OCT. 21

Steven Weber ("Brothers & Sisters") Returns as Clark Medina, the New Head Of the Missing Persons Squad

"True/False" - The team investigates when the teenage son of a Secret Service agent disappears and discovers a long festering secret that set in motion a deadly chain of events, on WITHOUT A TRACE, Tuesday, Oct. 21 (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:

Clark Medina: Steven Weber
Lucy: Adriana Demeo
Sean Duncan: Steven R. McQueen
Mark Duncan: John Allen Nelson
Tracie Duncan: Cynthia Gibb
Amy Wechsler: Sarah Ramos
Mrs. Paula Wechsler: Daphne Ashbrook
Lilah Pritchard: Rhea Lando
Terrance Pritchard: Adam Chambers
Gene Fuller: Alex Reznik
Principal Stuart Rosenthal: Michael Adler

WRITTEN BY: Diego Gutierrez

DIRECTED BY: Martha Mitchell

RATING: To Be Announced