- Played Robert Kennedy twice---in 1996's TV-movie Norma Jean & Marilyn and in the 2000 theatrical Thirteen Days.
- Played Commander Martin Madden in 2002's Star Trek: Nemesis, but his footage was cut. The DVD version of the film restored his scenes.
- In 2004, had recurring roles on four series: as CIA agent Clayton Webb on JAG, House Speaker Jeff Haffley on The West Wing, Maj. Hayes on Star Trek: Enterprise and medical student Dave Spencer on ER.
- Enjoys playing guitar.
- 2005, Screen Actors Guild Awards — Outstanding Performance by an Ensemble in a Comedy Series: Winner
- 2004, Screen Actors Guild Awards — Outstanding Performance by an Ensemble in a Comedy Series: Winner
- Joseph Raymond Culp — Son
- Katherine Bradford Culp — Daughter
- Shelly Link — Sister
- Anjo Grabinsky — Mother
- Barbara Ayers — Wife
- John Grabinsky — Stepfather
- Kathryn Harvey — Half Sister
- College of William & Mary, Williamsburg, VA (1978); attended University of Exeter, Exeter, England; Brandeis University, Waltham, MA (MFA in Theater Arts & Acting, 1981)
Season 7, Episode 3
- Birth Place: La Jolla, CA
- Birthday: December 3, 1955, Sagittarius
- Profession: Actor
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