Some real life celebrities have doubles on Sliders.
People seen in the episodes
- Hillary Clinton (not played by herself) was seen in the episode The Weaker Sex. Hillary Clinton's double was president of the United States in 1995 at the same time that Bill Clinton was president on Earth Prime.
- Bill Gates (not played by himself): the character Billy the Kid in The Good, the Bad, and the Wealthy was originally intended to be a double of Bill Gates.
- Mel Torme (played by himself) was seen on the episode Greatfellas. Mel Torme's double on this world was a government agent.
- Joseph Wapner (played by himself) was in the pilot and sentenced Rembrandt to 15 years in the Alaskan gulag.
People mentioned in the episodes
- Oliver North: president of the United States in Summer of Love and The Exodus.