Here is the official description for Criminal Minds season 11 episode 16, "Derek" - airing March 2nd.
Season 11 Episode 16 "Derek"
THE BAU RUSHES TO FIND MORGAN AFTER HE IS ABDUCTED, ON “CRIMINAL MINDS,” WEDNESDAY, MARCH 2
Series Star Thomas Gibson Directed the Episode
Legendary Actor Danny Glover Guest Stars as Morgan’s Father, Hank
When Morgan is abducted, the BAU scrambles to find him and save his life.
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)
guest & recurring cast:
Rochelle Aytes (Savannah Hayes)
Danny Glover (Hank Morgan)
Tyree Brown (Young (10) Derek)
Amarr Wooten (Teen (15) Derek)
Jonathan Cake (John Bradley)
Byron Marc Newsome (Young Hank Morgan)
Faithe Herman (Morgan Kid #1)
Kaleo Elam (Morgan Kid #2)
Charles Mesure (Edgar Solomon)
Charles S. Frank (Henchman #1)
Khalid Ghajji (Passerby (Henchman #2)