John Huertas, Kelly Hu John Huertas, Kelly Hu

Castle's Jon Huertas has been thrilled with the opportunity to take a closer look at his character, Detective Javier Esposito, during the ABC drama's fifth season.

Following a Christmas episode that highlighted Esposito's loneliness now that Detective Ryan (Seamus Dever) is married and his booty calls with Lanie (Tamala Jones) have become less frequent, last week's episode featured Esposito taking special interest in an at-risk youth and revealing his character's own troubled upbringing.

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