Glen Morgan and James Wong's early influence on The X-Files mythology led to their introduction of popular secondary characters who continued for years in episodes written by others: Scully's father, William (Don S. Davis); her mother, Margaret (Sheila Larken); and her sister, Melissa (Melinda McGraw).
https://en.wikipedia.org/wiki/The_X-Files
Mulder and Scully's boss, Assistant Director Walter Skinner (Mitch Pileggi), also became a main character. The first five seasons of The X-Files were filmed and produced in Vancouver, British Columbia, before eventually moving to Los Angeles to accommodate Duchovny.
https://en.wikipedia.org/wiki/The_X-Files
She later on becomes a believer after Mulder's abduction at the end of season seven. Scully has appeared in all but four episodes of The X-Files, and in the 20th Century Fox films The X-Files, released in 1998, and The X-Files: I Want to Believe, released ten years later. The episodes she does not appear in are 3, Zero Sum, Unusual Suspects, and Travelers.
https://en.wikipedia.org/wiki/Dana_Scully
The Twins Who Played Scully And Mulder's Baby Are Teenagers Now. Time to feel old, everyone. It might remain a mystery what baby William's life would be like had he stayed with parents Scully and Mulder, but we know exactly what's been going on with the twins who played the baby on The X-Files back in 2002.
http://www.huffingtonpost.com/entry/x-files-baby-grown-up_us_56cc79f3e4b0ec6725e3ef21
Gillian Anderson (I) Gillian Anderson was born in Chicago, Illinois, to Rosemary Alyce (Lane), a computer analyst, and Homer Edward Anderson III, who owned a film post-production company. She has English, German, and Irish ancestry. Gillian started her career as a member of an amateur actor group while at high school.
http://www.imdb.com/name/nm0000096/
The X-Files follows the careers and personal lives of FBI Special Agents Fox Mulder (David Duchovny) and Dana Scully (Gillian Anderson). Mulder is a talented profiler and strong believer in the supernatural. He is also adamant about the existence of intelligent extraterrestrial life and its presence on Earth.
https://en.wikipedia.org/wiki/The_X-Files
The series revolves around FBI special agents Fox Mulder (David Duchovny) and Dana Scully (Gillian Anderson) who investigate X-Files: marginalized, unsolved cases involving paranormal phenomena.
https://en.wikipedia.org/wiki/The_X-Files
FBI Special Agent Dana Scully is a fictional character in the Fox science fiction-supernatural television series The X-Files, played by Gillian Anderson.
https://en.wikipedia.org/wiki/Dana_Scully
The twins were just infants when they appeared on The X-Files and admit that they never quite realized what it meant to appear on the series until this year's reboot. Travis and James Riker took turns playing William on the series when they were infants, and today, they're in eighth grade. The teens tell Oprah: Where Are They Now? that they didn't realize how huge it was to appear in The X-Files until this year's reboot began airing on Fox.
http://www.huffingtonpost.com/entry/x-files-baby-grown-up_us_56cc79f3e4b0ec6725e3ef21
In The X-Files: I Want to Believe she is shown working as a medical doctor at the Our Lady of Sorrows, a private Catholic hospital in Virginia. Early on in the film Scully is contacted by the FBI who are looking for Fox Mulder in the hope that he will assist them with the investigation of a missing FBI agent.
https://en.wikipedia.org/wiki/Dana_Scully
who played scully on the x files
Gillian Anderson played scully on the X files.