 In 1988, he starred in John Hughes' comedy "She's Having a Baby", and the following year he was in another comedy called "The Big Picture".In 1990, Bacon had two successful roles.He played a character who saved his town from under-the-earth "graboid" monsters in the comedy/horror film "Tremors", and he portrayed an earnest medical student experimenting with death in Joel Schumacher's "Flatliners".