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Beverly Barish-Burns is the hidden secondary antagonist of the 1995 comedy movie Tommy Boy.
She is played by Bo Derek.
In the beginning of the film, Beverly is described to be Paul's mom, since she is getting married to Tom Callahan, a widowed man she met at the Fat Farm and the wealthy owner of Callahan Auto Brake company, becoming the step-mother of the protagonist Tommy Callahan, and her "son" Paul as the new step-brother. However Tommy's father died from a heart attack at the wedding after he married her. It was later revealed that Beverly and Paul are married Con-artists with criminal records. On the road Tommy and Richard were able to make their sale goals even though they had trouble in the beginning and mend their friendship.
However, Paul hacked and sabotaged the company computer systems and caused sales to be lost or rerouted which caused customers to cancel orders. Paul and Beverly backed the bank which then decides to sell the company to Zalinsky.
However, Tommy, Richard, and Tommy's girlfriend Michelle arrived at the Zalinsky board room where they have Paul's outstanding warrants for fraud. Paul attempted to escaped, but was eventually arrested by the police. Beverly was last seen going on a date with Zalinsky. She decide to switch sides and starts dating Zalinsky and go straight, instead of do anything illegal and go to jail.