Character's name: "Richard Castle"
Birthday: 03/27/1971
Birthplace: Edmonton, Alberta, Canada
Biography:
Nathan Fillion (born March 27, 1971) is a Canadian-American actor. He played the leading roles of Captain Malcolm "Mal" Reynolds on Firefly and its film continuation Serenity and Richard Castle on Castle. As of 2018, he stars as John Nolan on The Rookie and is an executive producer on the show as well as its spin-off series, The Rookie: Feds. Fillion has acted in traditionally distributed films like Slither and Trucker, Internet-distributed films like Dr. Horrible's Sing-Along Blog, television soap operas, sitcoms, and theatre. His voice is featured in animation and video games, such as the Bungiegames Halo 3, Halo 3: ODST, Halo: Reach, Destiny, and Destiny 2, along with the 343 Industries game Halo 5: Guardians and the television series M.O.D.O.K. (2021). Fillion first gained recognition for his work on One Life to Live in the contract role of Joey Buchanan, for which he was nominated for the Daytime Emmy Award for Outstanding Younger Actor in a Drama Series, as well as for his supporting role as Johnny Donnelly in the sitcom Two Guys and a Girl. Description above from the Wikipedia article Nathan Fillion, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Character's name: "Kate Beckett"
Birthday: 04/26/1978
Birthplace: Hamilton, Ontario, Canada
Biography:
Stana Katic is a Canadian actress and producer. She is best known for her roles as Kate Beckett on the ABC television series Castle (2009–2016) and FBI Special Agent Emily Byrne in the Amazon Prime Video series Absentia (2017–2020). Katic was born in Hamilton, Ontario, Canada, to Serb parents Petar and Rada Katic, who emigrated from Croatia. She has four brothers and one sister. Katic began her acting career in theater, appearing in productions at the Trinity College School in Port Hope, Ontario. She later attended the University of Toronto and the DePaul University Goodman School of Drama. After graduating from DePaul University, Katic began her television career with guest appearances on several series, including 24, The Closer, and CSI: NY. She also had a recurring role on the HBO series Damages. In 2009, she was cast as Kate Beckett on the ABC series Castle. The series was a critical and commercial success, running for eight seasons. Katic's performance as Beckett earned her several awards, including a People's Choice Award for Favorite Dramatic TV Actress and a Shorty Award for Best Actress. In 2017, Katic starred in the Amazon Prime Video series Absentia. The series follows FBI Special Agent Emily Byrne, who returns to work after disappearing for six years. Katic's performance as Byrne earned her a Primetime Emmy Award nomination for Outstanding Lead Actress in a Drama Series. Katic is also a producer. She co-founded the production company Katic Productions in 2013. The company has produced several short films and television pilots.

Character's name: "Alexis Castle"
Birthday: 10/08/1993
Birthplace: Texarkana - Texas - USA
Biography:
Molly C. Quinn (born October 8, 1993) is an American actress whose works have included theatre, film, and television. She's best known for her role as Alexis Castle, the main character's daughter, on ABC's Castle.

Character's name: "Javier Esposito"
Birthday: 10/23/1976
Birthplace: New York City, New York, USA
Biography:
Jon Huertas is an American stage, film and television actor, musician, and US Air Force veteran, best known for playing Sergeant Antonio 'Poke' Espera in HBO's miniseries "Generation Kill", as well as homicide detective Javier Esposito in the television series "Castle".

Character's name: "Kevin Ryan"
Birthday: 07/27/1976
Birthplace: Flint, Michigan, USA
Biography:
Seamus Dever (born July 27th, 1976) is an American actor, best known for playing Detective Kevin Ryan in the television series Castle (2009).

Character's name: "Martha Rodgers"
Birthday: 11/18/1942
Birthplace: New York City, New York, USA
Biography:
Susan Michaela Sullivan (born November 18, 1942) is an American film and television actress, best known for playing Lenore Curtin Delaney on the daytime soap opera Another World (1971–1976), Maggie Gioberti Channing on Falcon Crest (1981–1989), and Kitty Montgomery on the sitcom Dharma & Greg (1997–2002).

Character's name: "Lanie Parish"
Birthday: 11/12/1974
Birthplace: Pasadena, California, USA
Biography:
Tamala Reneé Jones (born November 12, 1974) is an American actress. She is best known for her role as medical examiner Lanie Parish on the ABC drama Castle, and for appearing in the movies Booty Call, The Wood, Kingdom Come, The Brothers, and Two Can Play That Game.

Character's name: "Hayley Shipton"
Birthday: 09/16/1975
Birthplace: Lagos, Nigeria
Biography:
Toks Olagundoye, whose full name is Olatokunbo Susan Olasobunmi Abeke Olagundoye, was born on September 16, 1975, in Lagos, Nigeria. She holds Nigerian nationality and has a diverse educational background, having attended schools in Nigeria, Switzerland, and England before completing high school in England. She later earned a Bachelor of Fine Arts in Theatre from Smith College in the USA. Olagundoye is widely recognized for her roles in popular TV series such as "The Neighbors," where she played Jackie Joyner-Kersee, "Castle," portraying Hayley Shipton, and "Frasier," where she took on the role of Olivia Finch. In addition to her live-action roles, she has lent her voice to animated characters, including Nanefua Pizza in "Steven Universe" and Mrs. Beakley in "DuckTales." Her career also spans writing and producing, showcasing her multifaceted talents in the entertainment industry. Toks Olagundoye's heritage is a blend of Norwegian and Nigerian, with her mother being Norwegian and her father Nigerian. She has been married to actor Sean Quinn since 2015, and together they have one child.