ALEX DISCOVERS WHAT HAPPENED TO CALEB, ON ABC'S "QUANTICO," APRIL 17

"Soon" - At Quantico, the NATs look into each other's background to determine who gets high-level security clearance, and in the process Alex, Shelby and Iris learn some surprising truths about Drew, Will and Caleb. Meanwhile, in the future, Alex contacts Claire Haas (guest star Marcia Cross) in order to find her missing friends and is shocked when she discovers what happened to Caleb, on "Quantico," SUNDAY, APRIL 17 (10:00 - 11:00 EDT) on the ABC Television Network.

"Quantico" stars Priyanka Chopra as Alex Parrish, Josh Hopkins as Liam O'Connor, Aunjanue Ellis as Miranda Shaw, Jake McLaughlin as Ryan Booth, Tate Ellington as Simon Asher, Johanna Braddy as Shelby Wyatt, Graham Rogers as Caleb Haas and Yasmine Al Massri as Nimah and Raina Amin.

Guest starring are Mark Pellegrino as Deputy Director Clayton, Jacob Artist as Brandon, Marcia Cross as Claire Haas, Lenny Platt as Drew Perales, Li Jun Li as Iris Chang, Jay Armstrong Johnson as Will Olsen and Daniel Kash as Marshall Freed.

"Soon" was written by Cherien Dabis and directed by P.J. Pesce.

Executive producers of "Quantico" are Joshua Safran, Mark Gordon, Nicholas Pepper, Jake Coburn and Robert Sertner. "Quantico" is produced by ABC Studios.