Episode 6 of "Without a Trace"
s01e06 Silent Partner
Title: Silent Partner
Original Air Date: 10/31/2002 on CBS
Director: Randall Zisk
Writer: Greg Walker
Guest Stars: James Ingersoll (Corporate Attorney), Benjamin Benitez (Luis), Jonathan Goldstein (Bartender), Lou Richards (Thompkins), Michael O'Neill (Thomas Shannon), Philip Baker Hall (Noah Ritter), Colleen Flynn (Katherine Kent), Matthew Kaminsky (Goldin), Erich Anderson (Patrick Kent), Angela Alvarado (Amalia Kent), Tara Killian (Paula), Tyler Posey (Robert), Daniella Kuhn (Elissa)
Plot Outline:
Jack and the team search for New York businessman Patrick Kent, who disappears after he checks in for a routine airline flight home. During the investigation, the agents are shocked to discover that Kent has been leading a secret double life—but that his father-in-law, Noah Ridder, has him under surveillance by a private investigator for another reason entirely.