This November, critically acclaimed actors "will go missing" or be on the "brink of despair" in their guest-starring roles in Without a Trace. Details on their episodes and characters follow:

Nov. 3 -- SAG Award Winner Alex Kingston (ER)
Jack (Anthony LaPaglia) and Danny (Enrique Murciano) head to Mexico to find a wealthy American vacationer who was abducted at gunpoint in front of his new wife (Kingston). Kingston's former ER co-star Paul McCrane directed the episode.

Nov. 10 -- Emmy Award Winner Gordon Clapp (NYPD Blue)
The team's quest to find a man (Clapp) who reportedly let his marriage and career slip away after his teenaged daughter succumbed to leukemia leads them to look for a mystery girl featured in an abundance of child porn photos found in the missing man's home.

Nov. 17 -- Multiple Emmy Award Winner Laurie Metcalf (Roseanne),Matt Craven (Crimson Tide) and Andrea Bowen (Desperate Housewives)
This unique episode, which is told from the point of view of the missing person's parents, features the emotional rollercoaster of the mother (Metcalf) and father (Craven) of a missing 15-year-old boy as the team does its best to find him. Bowen portrays a schoolmate of the boy who comes forward with some enlightening information about him.

Nov. 24 (Thanksgiving) -- Academy Award Nominee and Tony Award Nominee
Mary Elizabeth Mastrantonio (The Color of Money, Man of La Mancha) joins the series in a recurring role as FBI Agent Anne Cassidy
The team searches for Jack's friend, a longtime FBI agent, who disappears after leaving an emotional, guilt-ridden message on the answering machine for his wife (Mastrantonio), with whom Jack is equally close, about the cold-blooded murder of his partner earlier that night.