TV Guide Online: Retroactive
- Includes a review as well as cast and crew information.
- http://www.tvguide.com/movies/retroactive/133344

IMDb: Retroactive (1997)
- The Internet Movie Database offers a plot outline, user comments, and cast credits.
- http://www.imdb.com/title/tt0117468/

Unknown Movies: Retroactive
- Review by Keith Bailey: "Retroactive is a fairly fun movie - while you are watching it."
- http://www.coastnet.com/~greywizard/rev90.htm

Films Outside the Loop - Retroactive
- Jeanne Chappé's column dedicated to those films that most of the world missed.
- http://www.sffa.com/fotl/fotl_archives/loop052.html