She was Playboy magazine's Playmate of the Month for its March 1982 issue, and her centerfold was photographed by Arny Freytag. Witter later appeared on the cover of the March 1983 issue with fellow Playmates Kimberly McArthur and Kelly Tough. She was also featured in the December 1991 issue.
She soon made the transition to acting, working mostly on television on series as diverse as Mickey Spillane's Mike Hammer (1984), Cheers (1988), The Vineyard (1989), The X-Files (1995), Witter later appeared as Nemesis in Hercules: The Legendary Journeys, in the seventh episode "Pride Comes Before a Brawl" (1995). Sabrina the Teenage Witch (1998), NYPD Blue (2000), Dharma & Greg (2000), and Malcolm in the Middle (2001). From 1990 to 1994 had a contract role as Tina Lord on the ABC soap opera One Life to Live, for which she was nominated for a 1991 Soap Opera Digest Award for Outstanding Female Newcomer in Daytime.
