All-Reviews.com - Frequency (2000): A collection of reviews and other information about the film.
Apollo Movie Guide - Frequency: Review, links, and cast information.
Box Office Mojo - Frequency: Box office data since day one.
HARO Online - Frequency: A review of the film by Haro.
Hollywood.com - Frequency: Synopsis, cast, and credits.
IMDb - Frequency (2000): Cast/credits plus additional information about the film
Metacritic.com: Links to reviews on other sites.
PopMatters - Frequency: Review of the film.
Rotten Tomatoes - Frequency (2000): Reviews and reactions from critics.
SciFlicks.com - Frequency: Videos, sounds, pictures, quotes, freebies, and links.
Yahoo Movies: Frequency: Greg's preview of the film.