Castle (TV series)

• Nathan Fillion as Richard Castle, born Richard Alexander Rodgers, a best-selling mystery writer, who shadows and assists the NYPD. Castle is the only son of actress Martha Rodgers and a man known as Jackson Hunt, and also the father of Alexis Castle. He is the partner of Detective Kate Beckett. Castle's unusual theories sometimes irritate his coworkers, but often help solve the case. Richard has a complicated relationship with Detective Beckett. He is raising his daughter by himself, and his mother rents a room in his loft.
• Stana Katic as Katherine "Kate" Beckett, an NYPD homicide detective and later, captain. Beckett is a daughter of Jim and Johanna Beckett. She was raised in Manhattan. She was inspired to be a detective, because of her mother’s murder. She works with fellow detectives Javier Esposito and Kevin Ryan, and medical examiner Lanie Parish, who is her best friend. In the beginning Beckett's relationship with Castle was strained, but after a while Kate and Richard start to understand each other.
• Jon Huertas as Detective Javier "Javi" Esposito, a former Army Special Forces soldier who now works in the homicide division as part of Beckett's team.
• Seamus Dever as Detective Kevin Ryan, a former narcotics detective who works as part of Beckett's team. He is best friends with his partner, Detective Esposito.
• Tamala Jones as Dr. Lanie Parish, a medical examiner and a friend of Beckett and on-again-off-again love interest for Esposito.
• Ruben Santiago-Hudson as Captain Roy Montgomery (seasons 1–3; guest season 6), Beckett's boss and captain of the 12th Precinct.
• Molly Quinn as Alexis Castle, Castle's daughter by his first wife, Meredith.
• Susan Sullivan as Martha Rodgers, Castle's mother, an actress on and off Broadway.
• Penny Johnson Jerald as Captain Victoria Gates (seasons 4–7), Captain Montgomery's replacement, formerly with Internal Affairs.
• Toks Olagundoye as Hayley Shipton (season 8), a quick-witted, free-spirited former Metropolitan Police Service officer and MI6 operative from Britain who now works as a security specialist.

• Arye Gross as Dr. Sidney Perlmutter, a medical examiner who assists on some of Beckett's cases and does little to hide his dislike of Castle
• Scott Paulin as Jim Beckett, Kate Beckett's father
• Maya Stojan as Tory Ellis, an NYPD Tech officer who assists on Beckett's cases
• Juliana Dever as Jenny Ryan (née O'Malley), Ryan's wife (And Seamus Dever's real wife)
• Darby Stanchfield as Meredith Harper, an actress who was Castle's first wife and Alexis's mother. She is regularly portrayed as self-centered and dramatic.
• Monet Mazur as Gina Cowell, Castle's publisher and second wife
• Bailey Chase as Will Sorenson, an FBI agent and Beckett's ex-boyfriend
• Michael Trucco as Detective Tom Demming, a handsome robbery detective with whom Beckett briefly becomes involved
• Victor Webster as Dr. Josh Davidson, Beckett's motorcycle-riding, cardiac-surgeon ex-boyfriend
• Michael Mosley as Jerry Tyson/the Triple Killer (3XK), a methodical and meticulous serial killer who returns to New York every few years to terrorize the city. He is frequently believed to be dead, only to return again.
• Jack Coleman as William Bracken, a popular, charismatic, and murderously corrupt US Senator representing the State of New York with ambitions of one day becoming president.
• Geoff Pierson as Mr. Smith, a friend of Captain Montgomery's, who holds evidence that keeps the murderer of Beckett's mother away from her
• Michael Dorn as Dr. Carver Burke, a psychiatrist who helps Beckett overcome her shooting and also deal with her various hidden emotions
• Jonathan Adams as Vulcan Simmons, a ruthless Manhattan drug lord
• Dan Castellaneta as Judge Markway, a judge who frequently issues warrants for Beckett, and one of Castle's poker buddies
• Phil LaMarr as Dr. Holloway, a psychiatrist who evaluates the mental stability of suspects
• Ken Baumann as Ashley, Alexis' steady boyfriend
• Myko Olivier as Pi, Alexis's boyfriend (at the beginning of season six) with whom she shares an apartment for a while
• Lisa Edelstein as Agent Rachel McCord, Beckett's partner during her brief time working for the Attorney-General's Office
• Annie Wersching as Dr Kelly Nieman, a respected plastic surgeon with a secret life as Jerry Tyson's partner in crime
• Matt Letscher as 'Henry Jenkins' (real name unknown), an impostor purportedly with the CIA who is involved with Castle's disappearance
• Sunkrish Bala as Vikram Singh (season 8), a high-strung tech analyst with the Attorney General's office in Washington, D.C., where Beckett briefly works. He later works as a computer analyst for the NYPD.
• Kristoffer Polaha as Caleb Brown, an idealistic public defender found to have links to the LokSat conspiracy.
• James Brolin as Jackson Hunt, an operative of the Special Activities Center of the CIA, and who is Castle's father.

Real-life writers Stephen J. Cannell, James Patterson, Dennis Lehane, and Michael Connelly appear as themselves during periodic games of poker at Castle's apartment. Typically, they discuss Castle and Beckett's current case and tease Castle about his involvement with Beckett. Following Cannell's death on September 30, 2010, an empty chair was kept at the poker table for a year in his honor.

In June 2011, TNT acquired exclusive cable rights from Disney-ABC Domestic Television to air the first two seasons of Castle beginning in the summer of 2012.[86] In advance of the series' fourth season, TNT broadcast an eight-hour marathon of episodes on September 15, 2011, including five from season 3.[87] Castle began airing on TNT every Wednesday beginning September 26, 2012.[88] Castle also began airing in broadcast syndication on weekends beginning September 29, 2012.[89]

In the series, Castle writes a novel titled Heat Wave. As a tie-in, ABC and sister publisher Hyperion Books released that novel as a real book with "Richard Castle" as the author. It is entirely in character from the dedication to the acknowledgments, although the latter mentions the principal cast and the show's creators by first name.[90] ABC released the first half of the novel in weekly increments on their website.[91] The complete novel was published in September 2009 as a hardcover, debuting at No. 26 on The New York Times Best Seller list.[92] In its fourth week on the list, Heat Wave broke into the top 10 at No. 6.[93] Heat Wave was released in paperback on July 27, 2010, and debuted at No. 34 on The New York Times Best Seller Paperback Mass-Market list.[94] It once again appeared on The New York Times Best Seller list on May 27, 2012, at No. 19.[95]

Naked Heat, the sequel to Heat Wave, was released on September 28, 2010.[96] Naked Heat debuted at No. 7 on The New York Times Best Seller list.[97] As they did with Heat Wave, ABC released a series of the early chapters online as a promotional tool.[98] A third novel, titled Heat Rises, was released on September 20, 2011.[99] It debuted at No. 1 on The New York Times Best Seller list on October 9, 2011[100][101] and at No. 5 on the USA TODAY Best-Selling Books list.[102]

The season three finale introduced a graphic novel based on Castle's previous novel character, Derrick Storm. Castle: Richard Castle's Deadly Storm was published by Marvel Comics on September 28, 2011.[103] It debuted at No. 3 on The New York Times Best Seller list on October 16, 2011.[104] This has been followed by three more graphic novels, published a year apart.

A fourth novel, titled Frozen Heat, was released on September 11, 2012,[105] and debuted on The New York Times Best Seller list at No. 7 on September 23, 2012.[106] The fifth Nikki Heat novel Deadly Heat was released September 17, 2013 and debuted at No. 8 on The New York Times Best Seller list.[107] Raging Heat, the sixth novel, was released on September 16, 2014. It landed on No. 6 on The New York Times Hardcover Fiction Best Seller list[108] and on No. 17 on The New York Times Combined Print and E-Book Fiction bestseller list[109] on October 5, 2014. The seventh novel, Driving Heat,[110] was released on September 15, 2015.[111] It debuted on The New York Times Hardcover Fiction Best Seller list at No. 13[112] on October 4, 2015.

On May 20, 2016, it was announced that two more novels would be published in the Nikki Heat series, even though the show itself had been canceled. The eighth book in the series, High Heat, was published on October 25, 2016. The ninth, Heat Storm, was released in May 2017.[113]

In July 2018 a 10th Nikki Heat book was announced. Crashing Heat was published by Kingswell, a division of Disney Books, on March 12, 2019, almost three years after the TV series ended.[114]

In February 2012, Hyperion announced three e-book novellas as part of Richard Castle's famous Derrick Storm series. The first novella of the series, A Brewing Storm, was released in digital media on May 1, 2012. It debuted at No. 13 on The New York Times E-Book Fiction Best Seller list,[115] as well as No. 18 on The New York Times Combine Prints & E-book Fiction list[116] on May 20, 2012. On July 3, 2012, the second novella of the new Derrick Storm books, A Raging Storm, was released in e-book format. It landed on The New York Times Best Seller e-books list at #19[117] and at No. 31 for the combined Prints & E-book list, both on July 22, 2012.[118] The final Derrick Storm novella, A Bloody Storm, was released on August 7, 2012. It debuted on The New York Times Best Seller e-books list at #20[119] and at #34[120] on the combined Prints & E-book list on August 26, 2012.

Castle: Never Judge a Book by its Cover was released on July 9, 2013.[121] The game is available on Steam and can be downloaded on most mobile devices.[122] Players work with Castle and Beckett to find clues and stop a serial killer.[122]

On August 20, 2014, ABC announced that the early development stage had begun on a television series centered on Derrick Storm. The series was to have been a CIA procedural written by Gregory Poirier, who was to have executive-produced it with Castle's Andrew Marlowe and Terri Miller.[123] There were no subsequent announcements about a Derrick Storm TV series, indicating that development had concluded.