John Billingsley (/ˈbɪlɪŋɡzli/, born May 20, 1960)[1] is an American actor best known for his role as Doctor Phlox on the television series Star Trek: Enterprise.

Billingsley was born in Media, Pennsylvania, and subsequently lived in Huntsville, Alabama, and Slidell, Louisiana, before his family settled in Weston, Connecticut.

[5] 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.

One of Billingsley's earliest film roles was in the 2001 made-for-television historical drama Just Ask My Children, in which he played corrupt lawyer Andrew Gines.

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.

In May of that year, he guest starred as John Harris, the father of the Kiss-Me-Not Killer, in "Never Tell", an episode of Women's Murder Club.

In August 2010, Billingsley guest starred in an episode of the TNT series Leverage as Coswell, the head of security at the Boston Museum of Art and Antiquities.

[6] In August 2011, Billingsley starred in an episode of the USA Network drama Suits as the company accountant who is being released for never finishing university.

[9] On January 7, 2014, CBS television premiered the science fiction drama Intelligence, on which Billingsley played Dr. Shenandoah Cassidy, the inventor of an implantable microchip that acts as an interface between a human mind and electronic devices.

[10] In November 2014, Billingsley guest-starred in the CBS crime drama series, Hawaii Five-0, playing lawyer Eugene Goodman in the Season 5 episode, "Ka Hana Malu".