The G.D.S.
Show: Castle --> Season: 8 - Season 8
AirDate: 3/7/2016
Runtime: 44
Voting: 6.8 (13)

Overview: Castle returns to the City of Angels in search of answers about his missing time. But things take a deadly turn when he’s recruited by the legendary Greatest Detective Society to help solve a murder.
Summer Glau
Kendall Frost
Jason Manuel Olazabal
Detective Menendez
Gerald McRaney
Mason Wood
Doug Savant
Victor Nigel
Courtney Ford
Courtney
Darri Ingolfsson
Austin Elektra
Mageina Tovah
Veronica Harris
Ryun Yu
Andrew
Billy Armstrong
Bellman
Abhimanyu Katyal
A.D.
Jon Knapp
Chauffeur
Teddy Lane Jr.
Taylor
Vince Nappo
Jordan Keegan
Jeanette O'Connor
Dorothy McCabe
Dylan John Seaton
Shaw
Albert A. Vega
Malcom McCabe
Punnavith Koy
Bellman (uncredited)