Question: What is the name of the character who is followed in the Netflix series in which James Callis is the voice of Alucard?  

full_context: Document 1: Gaius Baltar: Dr. Gaius Baltar is a fictional character in the TV series "Battlestar Galactica" played by James Callis, a reimagining of Count Baltar from the 1978 "Battlestar Galactica" series. He is one of the show's primary characters.
Document 2: Ciarán Hinds: His television roles include Gaius Julius Caesar in the series "Rome", DCI James Langton in "Above Suspicion", Bud Hammond in "Political Animals" and Mance Rayder in the Emmy Award-winning "Game of Thrones". As a stage actor, Hinds has enjoyed spells with the Royal Shakespeare Company, the Royal National Theatre in London and six seasons with Glasgow Citizens' Theatre, and he has continued to work on stage throughout his career.
Document 3: John Hannah (actor): John David Hannah (born 23 April 1962) is a Scottish film and television actor. He came to prominence in Richard Curtis's "Four Weddings and a Funeral" (1994), for which he was nominated for the BAFTA Award for Best Actor in a Supporting Role. His other film appearances include "Sliding Doors" (1998) and "The Mummy" trilogy (1999–2008). His television roles include: Dr Iain McCallum in "McCallum" (1995–1998); D.I. John Rebus in "Rebus" (2000–2001); Jack Roper in "New Street Law" (2006–2007); Jake Osbourne in "Cold Blood" (2007–2008), Quintus Lentulus Batiatus in "Spartacus" (2010–2011), Jack Cloth in "A Touch of Cloth" (2012–14), Jason's father (Aeson) in the BBC series "Atlantis" (2013–15) and Dr. Holden Radcliffe in "Agents of S.H.I.E.L.D." (2016-2017).
Document 4: RWBY: RWBY ( , like "ruby") is an American anime-style web series and media franchise created by Monty Oum for Rooster Teeth. The show is set in the fictional world of Remnant, where young people train to become Huntsmen and Huntresses to protect their world from the creatures of Grimm. After several promotional trailers were posted, the first episode was screened at RTX and then released on the website in July 2013. Subsequent episodes were released approximately weekly, first to Rooster Teeth's subscribers and then to YouTube a week later. The series became a viral hit, and a second season, subtitled "Volume 2", was released in July 2014.
Document 5: James Callis: James Nicholas Callis (born 4 June 1971) is an English actor. He is best known for playing Dr. Gaius Baltar in the re-imagined "Battlestar Galactica" miniseries and television series, and Bridget Jones' best friend in "Bridget Jones's Diary" and "". He later reprised the role in 2016, in "Bridget Jones's Baby." He joined the cast of the TV Series "Eureka", on Syfy, in 2010. In 2017 he voiced the character Alucard on the Netflix series "Castlevania", based on the video game of the same name.
Document 6: Jack Davenport: Jack Arthur Davenport (born 1 March 1973) is an English actor. He is best known for his roles in the television series "This Life" and "Coupling", and as James Norrington in the "Pirates of the Caribbean" series. He has also appeared in other Hollywood films, such as "The Talented Mr. Ripley". More recently, he was part of the ensemble cast in the drama series "FlashForward" and "Smash", and took the lead role in the 2013 ITV drama series "Breathless".
Document 7: James D'Arcy: James D'Arcy (born Simon Richard D'Arcy; 24 August 1975) is an English actor. He is best known for his portrayals of Howard Stark's butler, Edwin Jarvis, in the Marvel Entertainment and ABC series, "Agent Carter", and murder suspect Lee Ashworth in the second series of the ITV series "Broadchurch". D'Arcy also co-starred as a British Army Colonel in Christopher Nolan's action-thriller "Dunkirk" (2017).
Document 8: Van Helsing (TV series): Van Helsing is an American-Canadian dark fantasy horror drama television series that premiered on September 23, 2016 on Syfy in the United States. The series was originally slated to premiere in Canada on Super Channel, but because of Super Channel's ongoing bankruptcy proceedings, the series was ultimately dropped from their schedule and instead premiered on Netflix on December 23, 2016.
Document 9: Castlevania (TV series): Castlevania is an American adult animated web television series based on the 1989 video game "" by Konami. The series follows Trevor Belmont, who defends the nation of Wallachia from Dracula and his minions. Originally planned as a film with a script written by Warren Ellis in 2007, the project entered development hell until about 2015, where it was finally funded with help from animation studios Frederator Studios and Powerhouse Animation Studios, along with Netflix. Its art style is heavily influenced by that of Japanese anime and Ayami Kojima's artwork in "". The series premiered on the Netflix streaming service on July 7, 2017, and was renewed for an expanded 8-episode second season on the same day.
Document 10: David Tennant: David Tennant (born David John McDonald; 18 April 1971) is a Scottish actor and voice actor. He is best known for his roles as the Tenth Doctor in the British television series "Doctor Who", Alec Hardy in "Broadchurch", Giacomo Casanova in the TV serial "Casanova", Kilgrave in "Jessica Jones", and Barty Crouch, Jr. in the film "Harry Potter and the Goblet of Fire". In addition to his appearances on screen, he has worked as a voice actor and in theatre, including Prince Hamlet in a critically acclaimed 2008 stage production of "Hamlet" and as the voice of Scrooge McDuck in the new "DuckTales" series starting in 2017. In January 2015, Tennant received the National Television Award for Special Recognition.
Document 11: Carmilla (series): Carmilla is a Canadian single frame web series co-created by Jordan Hall, starring Elise Bauman and Natasha Negovanlis, loosely based on the novella of the same name by Sheridan Le Fanu. The series premiered on the Vervegirl (rebranded as KindaTV as of January 2016) YouTube channel on August 19, 2014. U by Kotex is the executive producer of the web series. The series takes place at the fictional Silas University in Styria, Austria and is told through video journals (Vlogs) recorded by Laura, a first-year student. When Laura begins investigating the disappearance of her roommate, she is assigned a new roommate named Carmilla.
Document 12: The Venture Bros.: The Venture Bros. is an American animated television series that was created by Christopher McCulloch (also known as "Jackson Publick") and premiered on Cartoon Network's late night programming block Adult Swim with a pilot episode on February 16, 2003 and its first season beginning on August 7, 2004. It is considered to be an action/adventure series with comedy-drama elements. The show has been renewed for a seventh and eighth season to consist of ten episodes each.
Document 13: Tobias Menzies: Tobias Menzies (born 7 March 1974) is an English stage, television and film actor. While working in theatre, he starred in television shows such as "Rome" (2005–2007) where he played Brutus and "Game of Thrones" (2013–2016) where he played Edmure Tully. He is probably best known for his dual role as Frank Randall and Jonathan "Black Jack" Randall in "Outlander" (2014–present), for which he received a Golden Globe Award nomination.
Document 14: Bunnicula (TV series): Bunnicula is an American animated television series from Warner Bros. Animation developed by Jessica Borutski, produced by Borutski and Maxwell Atoms, and distributed by Warner Bros. Television. It premiered on Cartoon Network and Boomerang on February 6, 2016. It is loosely based on the children's book series by James Howe and Deborah Howe. The show is a dark comedy about a vampire rabbit named Bunnicula who likes carrot juice instead of blood to strengthen up his super abilities in new paranormal adventures.
Document 15: Castlevania: Castlevania is a series of horror-themed action-adventure video games created and developed by Konami, centered on the Belmont family, a clan of vampire hunters, and their fight with Dracula. The series debuted in Japan on September 26, 1986, with the release of the original game for the Family Computer Disk System, followed by an alternate version for the MSX2 platform on October 30. Although the MSX2 port (localized in Europe and South America as "Vampire Killer") was released first outside Japan, the series did not receive wide attention outside Japan until the FDS version was ported to cartridge format for the Nintendo Entertainment System and localized for North American and European releases of "Castlevania" in 1987 and 1988, respectively.
ground_truth: Trevor Belmont