20 biggest on-set accidents that changed movie history 

Mariam
The Cannonball Run (1981) - Distributor: 20th Century Fox ; The X-Files (1998) - Distributor: 20th Century Fox ; The Dark Knight (2008) - Distributor: Warner Bros. Pictures ; Top Gun (1986) - Distributor: Paramount Pictures
The Cannonball Run (1981) - Distributor: 20th Century Fox ; The X-Files (1998) - Distributor: 20th Century Fox ; The Dark Knight (2008) - Distributor: Warner Bros. Pictures ; Top Gun (1986) - Distributor: Paramount Pictures

3) Horses in The Assassination of Jesse James

The Assassination of Jesse James by the Coward Robert Ford (2007) - Distributor: Warner Bros. Pictures
The Assassination of Jesse James by the Coward Robert Ford (2007) - Distributor: Warner Bros. Pictures

While several regulations were in place for the safety of the cast and crew, the filming of the movie The Assassination of Jesse James, led to rules about animal production emerging. While filming a sequence that involved a horse and its rider jumping, the horse wasn’t properly trained and got severely injured. It later died but this incident sparked an outrage regarding animal welfare during filming.

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Edited by Priscillah Mueni