Here's the official press release for Castle Season 8 Episode 17, "Death Wish" - airing April 11th.
Season 8 Episode 17 "Death Wish"
CASTLE AND BECKETT HUNT FOR AN ANTIQUE LAMP AND A KILLER
The murder of a man connected to smuggling Turkish relics sends Castle, Beckett and the 12th Precinct on a search for a stolen antique believed to be Aladdin’s lamp, in hopes that it can lead them to the killer.
Nathan Fillion as Richard Castle
Stana Katic as NYPD Captain 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
guest & recurring cast:
Frank Tran as Lars Cross
Carolyn Stotesbery as Genevieve
John Ducey as Mark Nagle