- Season 8 Episode 6
DETECTIVE SLAUGHTER IS BACK...AND THE STAKES COULDN'T BE HIGHER
Detective Slaughter (guest star Adam Baldwin) returns to enlist Castle's help in solving a high-stakes robbery case. But when a body is found linked to the crime, Slaughter becomes the number one suspect in the heist turned murder, while Castle has to determine whether he's guilty or help to prove he's innocent.
Promo Video #1
See more at Castle Season 8 Episode 6 "Cool Boys" Promo
Sneak Peek #1
Nathan Fillion as Richard Castle
Stana Katic as NYPD Detective Kate Beckett Tamala Jones as Medical Examiner Lanie Parish Jon Huertas as NYPD Detective Javier Esposito Seamus Dever as NYPD Detective Kevin Ryan Molly Quinn as Alexis Castle
Susan Sullivan as Martha Rodgers
Toks Olagundoye as Hayley
Adam Baldwin as Detective Slaughter, Kerry Barker as Dawn, Corey Reynolds as Mark West, Brian Gaskill as David Lacey.