Question: Who was the other developer with Hawk Ostby who developed the American science fiction television series in which Kevin Hanchard had his role as Inspector Sematimba?
Context: Stargate SG-1 (often abbreviated as SG-1) is an adventure and military science fiction television series and part of Metro-Goldwyn-Mayer's "Stargate" franchise.  The show, created by Brad Wright and Jonathan Glassner, is based on the 1994 science fiction film "Stargate" by Dean Devlin and Roland Emmerich.  The television series was filmed in and around the city of Vancouver, British Columbia, Canada.  The series premiered on Showtime on July 27, 1997 and moved to the Sci Fi Channel on June 7, 2002; the final episode first aired on Sky1 on March 13, 2007.  With 214 episodes over ten seasons, "Stargate SG-1" had surpassed "The X-Files" as the longest-running North American science fiction television series, until it was surpassed by the series "Smallville" in 2011. The Expanse is an American science fiction television series on Syfy, developed by Mark Fergus and Hawk Ostby, based on the series of novels by Daniel Abraham and Ty Franck (writing under the pseudonym James S. A. Corey).  Set in a future where humanity has colonized the Solar System, it follows United Nations executive Chrisjen Avasarala (Shohreh Aghdashloo), police detective Josephus Miller (Thomas Jane), and ship's officer Jim Holden (Steven Strait) and his crew as they unravel a conspiracy that threatens peace in the system and the survival of humanity.  It also deals with the fractious relationship between Earth, Mars and the Outer Planets Alliance (OPA).  The OPA is an organization that fights for the interests of inhabitants of the (Asteroid) Belt.  Unrecognized as a governing body, the OPA is often accused of outlaw tactics. "Orphan Black" is a Canadian science fiction television series broadcast on Space in Canada and on BBC America in the United States.  The series' first season stars Tatiana Maslany, Dylan Bruce, Jordan Gavaris, Kevin Hanchard, Michael Mando, and Maria Doyle Kennedy, with the addition of Évelyne Brochu to the regular cast in the second season, Kristian Bruun and Ari Millen in the third, and Josh Vokey in the fourth.  "Orphan Black" revolves around the main character of Sarah Manning as she discovers the existence of several of her genetic identicals.  Numerous actors appear in the series as recurring cast members, but some guest actors are featured in only a few.  Particularly, Skyler Wexler often recurs as Sarah's daughter Kira. "The Human Operators" is the seventh episode of season five of the revived 1960s American science fiction television series "The Outer Limits".  It is based on a science fiction short story by Harlan Ellison and A. E. van Vogt, first published in the January 1971 issue of "The Magazine of Fantasy and Science Fiction".  It first aired on 12 March 1999. Kevin Hanchard is a Canadian film, television and stage actor, best known for his roles as Det. Arthur Bell in "Orphan Black" and Inspector Sematimba in "The Expanse". Gallifrey One is an annual North American science fiction convention focusing primarily on the British television series "Doctor Who" and its spin-offs, "Torchwood", "K-9" and "The Sarah Jane Adventures", with an additional emphasis on British and American science fiction television media, held each February in Los Angeles.  The event bills itself as "the largest and longest-running annual Doctor Who convention in the world".  Sponsored by Gallifrey One Conventions and the Institute for Specialized Literature (ISL) Inc., a California not-for-profit organization, Gallifrey One has been held every year since 1990 in the greater Los Angeles area and has featured guests from a variety of genre television programs including "Babylon 5", "Star Trek", "Alien Nation", "Gene Roddenberry's Andromeda", "Buffy the Vampire Slayer" and "Battlestar Galactica". Cowboys & Aliens is a 2011 American science fiction Western film directed by Jon Favreau and starring Daniel Craig, Harrison Ford, and Olivia Wilde.  The film is based on the 2006 graphic novel of the same name created by Scott Mitchell Rosenberg.  The plot revolves around an amnesiac outlaw (Craig), a wealthy cattleman (Ford), and a mysterious traveler (Wilde) who must ally to save a group of townspeople abducted by aliens.  The screenplay was written by Roberto Orci, Alex Kurtzman, Damon Lindelof, Mark Fergus and Hawk Ostby, based on a screen story by the latter two along with Steve Oedekerk.  The film was produced by Brian Grazer, Ron Howard, Kurtzman, Orci and Rosenberg, with Steven Spielberg and Favreau serving as executive producers. "Orphan Black" is a Canadian science fiction television series that premiered on March 30, 2013 on Space.  The series was created by Graeme Manson and John Fawcett, starring Tatiana Maslany as several clones.  The rest of the starring cast includes Dylan Bruce, Jordan Gavaris, Kevin Hanchard, Michael Mando, Maria Doyle Kennedy, Évelyne Brochu, Ari Millen, Kristian Bruun and Josh Vokey. Inspector Gadget is a French-Canadian-American animated comic science fiction television series that revolves around the adventures of a clumsy, dim-witted detective named Inspector Gadget—a human being with various bionic gadgets built into his body.  Gadget's nemesis is Dr. Claw, the leader of an evil organization known as "M.A.D." The series launched the "Inspector Gadget" franchise. Voyage to the Bottom of the Sea is a 1960s American science fiction television series based on the 1961 film of the same name.  Both were created by Irwin Allen, which enabled the movie's sets, costumes, props, special effects models, and sometimes footage, to be used in the production of the television series.  "Voyage to the Bottom of the Sea" was the first of Irwin Allen's four science fiction television series, as well as the longest-running.  The show's main theme was underwater adventure.
Answer: Mark Fergus