IMDb.com - Caveman - Cast and crew details, movie synopsis and user comments. us.imdb.com/Title?0082146
MovieProp.com - Caveman - Features review, character profiles, pictures. movieprop.com/tvandmovie/reviews/caveman.htm
Stevezilla's Caveman Tribute - Fan page dedicated to the movie featuring Ringo Starr with pictures, movie term glossary, and reviews. www.geocities.com/stevezilla_99
