PA: Viewer discretion is advised.

AS THE SEARCH FOR SARA ESCALATES, THE MYSTERY EXPANDS ON "VANISHED" MONDAY, AUGUST 28, ON FOX

As Senator Collins pushes to make a public statement and announce a reward for any tips regarding the inexplicable disappearance of his wife, FBI Agents Kelton and Mei pursue leads that uncover elements that expand the scope of the investigation. Peter Manning, the man from Sara's past, remains determined to provide authorities with everything he knows, while the senator's ex-wife, Jessica Nevins, seeks to reconnect with their kids during this tragic and trying time in "The Tunnel" episode of VANISHED Monday, Aug. 28 (9:00-10:00 PM ET/PT) on FOX. (VAN-102) (TV-14 L, V)

Cast: Gale Harold as Special Agent Graham Kelton, John Allen Nelson as Senator Jeffrey Collins, Ming-Na as Agent Lin Mei, Rebecca Gayheart as Judy Nash, Joanne Kelly as Sara Collins, Margarita Levieva as Marcy Collins, John Patrick Amedori as Max Collins, Robert Hoffman as Adam Putnam and Christopher Egan as Ben Wilson.

Guest Cast: Penelope Ann Miller as Jessica Nevins, Esai Morales as Kyle Tyner, Josh Hopkins as Peter Manning, Joseph C. Phillips as JT Morse, Randy Oglesby as Mr. Jerome and Robin Pearson Rose as Mrs. Jerome.