In its 94-year history, the Academy of Motion Picture Arts and Sciences (AMPAS) has only expelled five members: Carmine Caridi, Harvey Weinstein, Bill Cosby, Roman Polanski, and cinematographer Adam Kimmel. Each of these individuals were expelled for different reasons, and their expulsions have had a lasting impact on the Academy and the film industry as a whole.

Carmine Caridi was the first person to be expelled from the Academy in 2004. Caridi had violated Academy rules by sending out copies of his screener tapes of films he had been sent for voting consideration. The Academy felt that this was a breach of their copyright rules and expelled him from the organization.

Harvey Weinstein was expelled from the Academy in 2017 after multiple allegations of sexual misconduct were made against him. The Academy took swift action and expelled him in order to send a message that they would not tolerate such behavior.

Bill Cosby was expelled from the Academy in 2018 after he was convicted of sexual assault. The Academy felt that his actions were not in line with their values and that his expulsion was necessary to maintain the integrity of the organization.

Roman Polanski was expelled from the Academy in 2018 after he was accused of raping a minor in 1977. The Academy felt that his actions were not in line with their values and that his expulsion was necessary to maintain the integrity of the organization.

Cinematographer Adam Kimmel was expelled from the Academy in 2020 after he was accused of sexual misconduct. The Academy felt that his actions were not in line with their values and that his expulsion was necessary to maintain the integrity of the organization.

The expulsions of these five individuals have had a lasting impact on the Academy and the film industry as a whole. It has sent a clear message that the Academy will not tolerate any form of misconduct and that it is committed to upholding its values and protecting its members. The expulsions have also highlighted the importance of creating a safe and respectful environment for all members of the film industry.