H.G. Wells pursues Jack the Ripper to the 20th Century when the serial murderer uses the future writer's time machine to escape his time period.
- Malcolm McDowell as H. G. Wells
- David Warner as John Leslie Stevenson/Jack the Ripper
- Mary Steenburgen as Amy Robbins
- Charles Cioffi as Police Lt. Mitchell
- Kent Williams as assistant
- Patti D'Arbanville as Shirley
- Joseph Maher as Adams