She is known for guest appearances or secondary characters in various sitcoms and dramas, as well as a couple of made-for-TV movies. Among her roles are Sally Frame on Another World (1981–1983), Gwendolyn Pierce on Charles in Charge (1984–1985), and replacing Susan Olsen as Cindy Brady in A Very Brady Christmas (1988). Runyon also had a small part inGhostbusters (1984) alongside Bill Murray and she starred in Up the Creek that same year. She was a guest on Beverly Hills, 90210 in 1991. In 1988, Jennifer played the lead
Ghostbusters
⭐ 7.49Up the Creek
⭐ 5.718 Again!
⭐ 5.7Carnosaur
⭐ 4.2A Very Brady Christmas
⭐ 6.3To All a Goodnight
⭐ 4.6The In Crowd
⭐ 6Bloodsucka Jones vs. The Creeping Death
⭐ 10Tagteam
⭐ 7Cleanin' Up the Town: Remembering Ghostbusters
⭐ 6.8Blue De Ville
⭐ 0Master Ninja II
⭐ 7The Falcon and the Snowman
⭐ 6.5A Man Called Sarge
⭐ 2.3Silent Night, Bloody Night 2: Revival
⭐ 2.4Flight of the Spruce Goose
⭐ 0Dreams of Gold: The Mel Fisher Story
⭐ 6.7Till Death Us Do Part
⭐ 6.7Killing Streets
⭐ 5.1Terror Tales
⭐ 2.2