Scoggins' first role was as a fake deputy sheriff in the fourth season Dukes of Hazzard episode "New Deputy in Town" in 1981; she then appeared in the TV movie Twirl. She was cast as a regular in the short-lived 1983 TV series The Renegades. The following year, she was cast as a regular on the 1984 ABC television series Hawaiian Heat, which lasted 11 episodes.
After guest roles in TV series such as Remington Steele, T. J. Hooker, Blue Thunder, and The A-Team, Scoggins had a role on the Dynasty spin-off series The Colbys, playing Monica Colby, the daughter of Charlton Heston's character, with Scoggins appearing as Monica from 1985–1987 in two episodes of Dynasty followed by all 49 episodes of The Colbys. Nearly two years after the cancellation of The Colbys after two seasons in 1987, Scoggins reprised the role of Monica Colby in the last eight episodes of the final season of Dynasty in 1989.
Scoggins landed recurring or short-term parts on TV series during the 1980s and 1990s, including the role of Cat Grant in Lois & Clark: The New Adventures of Superman, Amanda Carpenter on Lonesome Dove: The Outlaw Years, Elizabeth Lochley on Babylon 5 and its two spin-offs Crusade and Babylon 5: The Lost Tales (in 2007), Cassandra in three episodes of Highlander: The Series, Marie-Diane on The Secret Adventures of Jules Verne, and Anita Smithfield in two Dallas TV movies (Dallas: J.R. Returns and Dallas: War of the Ewings). This was not her first role in Dallas, as she had played a small part as another character, Diane Kelly, in a 1983 episode. Scoggins appeared on a 1996 episode of Wings and in the Star Trek: Deep Space Nine episode "Destiny"'.
Scoggins starred in the 1992 straight-to-video production Demonic Toys. She was in the 1995 3DO game Snow Job.
In the 1990s, Alan Spencer cast Scoggins in a pilot for CBS called Galaxy Beat. The pilot did not sell. Spencer said that she is "one of the funniest people on Earth".
In 2005, Scoggins landed a role as a main character, Grace Neville, on the gay supernatural series Dante's Cove. In 2006, she had a guest role in the fourth-season premiere of the TV show Nip/Tuck, and returned to the role of Elizabeth Lochley in the direct-to-DVD production Babylon 5: The Lost Tales.