The appearance of the saber-tooth at the end of the movie marks one of the first - if not the first - time for a furry CG character in a feature film. A specific, complex algorithm (for its time) had to be developed to calculate the movement of every single hair of the fur.
Mel BlancMel Blanc receives a credit for the voice of Dino five years after his death from heart disease. The 'dialogue' is taken directly from {The Flintstones}.
Dan AykroydDan Aykroyd, Bill MurrayBill Murray and Chevy ChaseChevy Chase were considered for the role of Fred Flintstone but they were all deemed too skinny, and a fat suit was deemed too inappropriate.
Because the cartoon version of Barney Rubble is supposed to be a short man, no actor 5'6 or over was considered for the role of Barney Rubble.
When Joel SilverJoel Silver was originally attached to the film as producer, he always had Jim BelushiJim Belushi in mind to play Fred Flintstone. When Silver left the project, he gave Belushi a silver Mercedes as payment.
Since the entire cast performed barefoot, glassware of any kind was banned from the set.
John CandyJohn Candy was considered for the role of Fred Flintstone. The Flintstones was his all time favorite cartoon.
Although she is not a real match for Betty Rubble, Rosie O'DonnellRosie O'Donnell nailed her audition for the role by perfecting the Betty Rubble laugh.
According to industry estimates, this project hired a record amount of writers to work on a single movie script during the course of many years. The number is reportedly 35 different screenwriters, however only three are credited with writing it.
A live action version of [The Flintstones] had been in development for a number of years. Reportedly, this version would not have been made if John GoodmanJohn Goodman had turned down the role of Fred.
Barney's snow cone van plays the theme song from [The Jetsons].
Sharon StoneSharon Stone was originally going to play the role of Sharon StoneSharon Stone, but had to decline due to contractual obligations with The Specialist. (The role went to Halle BerryHalle Berry.)
Jean Vander PylJean Vander Pyl, who plays Mrs. Feldspar, was the actress who voiced Wilma Flintstone in the original cartoon series, [The Flintstones]. Harvey KormanHarvey Korman, who played the "Dictabird" in this film, voiced the "Great Gazoo" in the original Flintstones cartoon. He was also one of the contract actors who would supply voices for other parts necessary for the episode.
Final appearance in a theatrical feature film for Elizabeth TaylorElizabeth Taylor.
