1. John Billingsley is an American actor, known for his role as Doctor Phlox on the television series Star Trek: Enterprise.
2. Billingsley was born in Media, Pennsylvania, and subsequently lived in Huntsville, Alabama and Slidell, Louisiana, before his family settled in Weston, Connecticut.
3. Billingsley was a member of Nintendo of America in 1991, and was featured in a Nintendo of America retail customer training video in 1991
4. He made an appearance in “It Happened in Juneau”, a third-season episode of the TV comedy-drama Northern Exposure, playing a patient treated by Marilyn.
5. Billingsley made an appearance in the The X-Files episode entitled Three of a Kind, playing a friend of the Lone Gunmen who turns out to be a government spy.
6. He played Dr. John Fallow in The West Wing episode that featured the Gall–Peters projection map .
7. He was cast in the role of Professor Miles Ballard in the short-lived television series The Others and then as the Denobulan Doctor Phlox in the fifth live action Star Trek series, Star Trek: Enterprise, which ran for four seasons.
8. He also played himself in an episode of Roswell that used the Enterprise set.
9. He also starred in the independent film Breathing Hard in the same year.
10. In 2002, he was a guest star in an episode of Stargate SG-1, playing a scientist who is also a Trekkie, “worship at the altar of Roddenberry”.
11. Billingsley would later reprise the role in the season finale, in which Marks was killed.
12. He also appeared as a blunt force victim in the first season of Six Feet Under to become the “Death of the week” in episode “The New Person”.
13. Billingsley appeared in the first season of the series Prison Break as the mysterious Terrence Steadman, brother of the Vice President, whose death is faked to frame Lincoln Burrows for murder.
14. Soon after, he was cast as a regular on the series The Nine.
15. This left him unable to continue his role as Steadman, and he was replaced in the role by Jeff Perry.
16. In November 2006, Billingsley portrayed William Bradford on two episodes of the podcast The Radio Adventures of Dr. Floyd.
17. In May 2007 he appeared on NCIS as a blind photographer in the episode, “In The Dark”.
18. He appeared in the seventh season of 24 as a recurring character.
19. On October 8, 2007, he also made a guest appearance on Journeyman as Alan Platt.
20. He also made a guest appearance in an October 2007 episode of CSI: Crime Scene Investigation, and in 2006 on the spinoff series CSI: NY.
21. Billingsley and his wife have also appeared as themselves on the HGTV series My House Is Worth What?, in which a real estate expert toured their home and provided commentary for viewers before providing an appraisal.
22. In 2008, Billingsley had a supporting role in several episodes of the HBO series True Blood as coroner Mike Spencer.
23. He appeared in the disaster film 2012, which was released on November 13, 2009, as Professor Frederic West, an American scientist.