Castle/The G.D.S.

The G.D.S.
Season 8, Episode 14
Airdate	March 7, 2016
Written by	Alexi Hawley
Directed by	John Terlesky
Stream
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Castle — Season Eight

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The G.D.S. is the fourteenth episode of the eighth season of Castle, and the one hundred sixty-fifth episode overall.

Starring: Nathan Fillion (Richard Castle), Stana Katic (Detective Kate Beckett) (credit only), Susan Sullivan (Martha Rodgers) (credit only), Jon Huertas (Detective Javier Esposito), Seamus Dever (Detective Kevin Ryan), Tamala Jones (M.E. Lanie Parish), Molly C. Quinn (Alexis Castle), Toks Olagundoye (Hayley Shipton)

Guest Starring: Summer Glau (Kendall Frost), Doug Savant (Trevor Nigel), Courtney Ford (Courtney), Darri Ingolfsson (Austin Elektra), Jason Manuel Olazabal (Detective Menendez), Mageina Tovah (Veronica Harris), Ryan Yu ()

and Gerald McRaney (Mason Wood)

Co-Starring: Billy Armstrong (Bellman), Abhimanyu Katyal (A.D.), Jon Knapp (Chauffer), Teddy Lane, Jr. (Taylor), Vince Nappo (Jordan Keegan), Jeanette O'Connor (Dorothy McCabe), Dylan John Seaton (Shaw)