|Season 6, Episode 12|
|Air date||January 13, 2014|
|Written by||Terence Paul Winter|
|Directed by||Tom Wright|
The murder of a young video store clerk takes a strange turn when the team discovers his past history as a high-level hacker. But it’s nothing compared to the shock Castle receives when their investigation leads them straight to his father, Jackson Hunt (guest star James Brolin).
- Nathan Fillion as Richard Castle
- Stana Katic as Det. Kate Beckett
- Jon Huertas as Det.Javier Esposito
- Seamus Dever as Det. Kevin Ryan
- Tamala Jones as Dr. Lanie Parish
- Penny Johnson Jerald as Captain Victoria Gates (credited only)
- Molly C. Quinn as Alexis Castle (credited only)
- Susan Sullivan as Martha Rodgers
- James Brolin as Jackson Hunt
- Maya Stojan as Tory Ellis
- Rick Peters as Tony Blaine
- Jeff Austin as Mr. Rollins
- Michelle Alegria as Reporter
- Jae Jung as Receptionist
- Connor Ross as Grant Rollins
- Beckett: Hey! Look who's back from paternity leave. So how's Sarah Grace?
- Ryan: Oh! Man. I tell you, she is just... my perfect little angel.
- Beckett: Oh, she's so cute. Wow.
- Esposito: Yeah.
- Beckett: Is it me or -- or does she... look a lot like Esposito?
- Esposito: Yeah, she does.
- Beckett: Wow.
- Ryan: Really, Beckett? I expected that from jackass but not from you.
- Martha: For years I wondered if your father was the one who got away. Well, now I finally know.
- Castle: He was never worth your time.
- Martha: Oh, yes he was! First time I met him, he gave me the greatest gift of my life: you.
- At the end of the episode both Castle and Beckett finally set a date for their wedding in September. Castle stated he would cancel his book tour that month so they can get married.
- Ryan was on paternity leave since "Under Fire" to take care of his baby girl, Sarah Grace.
- Beckett meets her future father-in-law.