The youngest child of two attorneys, Tracy Scoggins was a prodigious athlete during her high school years, excelling in a numerous sports, including gymnastics and diving. She graduated from Dickinson High School at the age of sixteen and enrolled in Southwest Texas State University, where she studied physical education. While at SWTSU, Scoggins nearly qualified for a spot on the 1980 Olympic diving team.

Following graduation, Scoggins briefly taught physical education before being recruited by John Casablancas of the Elite modeling agency. Elite sent Scoggins to New York, where she worked for a year before taking of the European modeling circuit, including assignments in Italy, Germany, and France.

Scoggins returned to the United States and studied with the Herbert Berghoff Studio and the Wynn Hanmann Studio in hopes of launching an acting career. Her first role was in the TV movie Twirl, also starring Heather Locklear, although she was soon cast in the 1984 television series Renegades. Scoggins also landed a role on the Dynasty spinoff The Colbys, playing Monica Colby, the daughter of Charlton Heston's character. She has also guest-starred in various TV series, such as Remington Steele and The A-Team.

Scoggins landed a number of recurring or short-term roles on television series in the and 1990's, including society columist Catherine Grant in Lois & Clark: The New Adventures of Superman, Amanda Carpenter on Lonesome Dove: The Outlaw Years, Elizabeth Lochley on Babylon 5 and its spin-off Crusade, Cassandra on Highlander, and Anita Smithfield in two Dallas TV movies.

She was one of several Babylon 5 actors to guest star in Star Trek: Deep Space Nine. She guest starred in the episode "Destiny".