Horan has appeared in many television programs and films. He has starred in several soap operas, including
Guiding Light as Detective Kirk Winters in 1980–1981,
Another World as Denny Hobson (1981–1982),
General Hospital as Brett Madison (1985–1987), and
All My Children as Creed Kelly (1988–1989). In 1982, Horan subbed for
Larkin Malloy who had been injured in a car accident, playing Sky Whitney on
The Edge of Night while Malloy recuperated. Years later, Horan originated the role of
Clay Alden on
Loving, playing that part from 1989 to 1991. When the role was recast several years later, Malloy assumed the role. Horan also appeared in four of the
Star Trek spin-off series. He appeared twice in
Star Trek: The Next Generation in 1993, first in the episode "
Suspicions", and later in the episode "
Descent, Part II". In 1997, he appeared on
Star Trek: Voyager in the episode "
Fair Trade" and on
Star Trek: Deep Space Nine n the episodes "
In Purgatory's Shadow" and "
By Inferno's Light". Horan had a recurring role in the first two seasons of
Star Trek: Enterprise as the enigmatic figure whom fans called "Future Guy". Horan's television guest appearances include roles on
Werewolf,
Remington Steele,
Zorro,
Melrose Place,
Lost and
Highlander: The Series. He appeared on a season 6 episode of
24. In addition to his television and film work, Horan has provided voices for several video games, including several
Star Trek and
Star Wars games. He also provided the voice for the antagonist Skull Face in
Metal Gear Solid V: The Phantom Pain. In 2012, he appeared as the sheriff in commercials for
5-hour Energy. == Filmography ==