Snyder is well known for playing Debbie Stone in the movie Killer Klowns from Outer Space. She also had two small roles on Seinfeld. She played "Deb" (Anthony Michael Hall's love interest) in the 1985 teen movie Weird Science. She then appeared briefly as Lisa, a sorority sister, in the 1986 movie Night of the Creeps, and played the role of Brenda in the 1988 horror-spoof Return of the Living Dead Part II. She also played a blind girl named Julie who hears a murder in an episode of In the Heat of the Night.