Here is the official description for Criminal Minds season 10 episode 18, "Rock Creek Park" - airing March 25th.
Season 10 Episode 18 "Rock Creek Park"
When the wife of an up-and-coming congressman disappears, the BAU investigates his political enemies as possible suspects.
Joe Mantegna (David Rossi)
Thomas Gibson (Aaron Hotchner)
Shemar Moore (Derek Morgan)
Matthew Gray Gubler (Dr. Spencer Reid)
A.J. Cook (Jennifer “JJ” Jareau)
Kirsten Vangsness (Penelope Garcia)
Jennifer Love Hewitt (Kate Callahan)
guest & recurring cast:
Chris L. McKenna (Congressman Benjamin Troy)
MJ Brackin (Sophie Troy)
Tess Harper (Dinah Troy)
Joshua Dov (Paul Troy)
Gloria Garayua (Madison Young)
Brian Appel (Agent Anderson)
Marc Vann (Agent Adam Fuchs)
Emily Churchill (Agent Dorian Loker)
Hope Olaide Wilson (Fana Kedibe)
David Agranov (Roman Azarof)
Johnny Kostrey (Taras Yudin)
Chelsea Gonzalez (Michelle Golovin)