Sean Connery's official cause of death revealed after the late James Bond star's family confirmed the news

The actor was best known as the first man to portray James Bond on the big screen

Sean Connery’s cause of death has been revealed. 

The legendary actor, best known for being the first person to portray James Bond in a movie, died earlier this year at age 90 after stepping out of the spotlight many years prior to his death. 

According to TMZ, which cites the Scottish actor’s death certificate, he died in his sleep from pneumonia, heart failure and old age. Specifically, Connery reportedly died of respiratory failure due to pneumonia as well as atrial fibrillation, an irregular heart rate that can cause an increased risk of strokes, heart failure and other complications. 

The certificate confirms what Connery’s family said to Fox News at the time of his death. He died on Oct. 31 at around 1 a.m. at his home in the Bahamas.

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"He died peacefully in his sleep surrounded by family," Connery's rep told Fox News on behalf of his wife, Micheline Roquebrune, and his two sons, Jason and Stephane, at the time of his death.

Actor Sean Connery's cause of death has been revealed.  (Reuters)

Connery was an international star, having earned an Academy Award, multiple Golden Globes, including the Cecil B. DeMille and Henrietta Awards, as well as two British Academy Film Awards (BAFTA) awards.

In addition to his role as the first James Bond, beginning with 1962's "Dr. No," his other notable films include "The Untouchables," "The Rock" and "Murder on the Orient Express."

Connery's first acting role was in 1954's "Lilacs in the Spring." He also held minor roles on television before his first leading role came in 1957's "Blood Money."

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In 1958, he starred opposite Lana Turner in "Another Time, Another Place."

After "Dr. No," Connery appeared in six more Bond films: "From Russia with Love," "Goldfinger," "Thunderball," "You Only Live Twice," "Diamonds are Forever" and "Never Say Never Again."

Connery's other films included "Indiana Jones and the Last Crusade," "The Hunt for Red October," "The Wind and the Lion," "The Man Who Would Be King" and "Finding Forrester."

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It was his role in Brian de Palma's "The Untouchables" in 1987 that earned him a supporting actor Oscar.

Sean Connery held at gunpoint by Jack Lord in a scene from the film 'James Bond: Dr. No', 1962. (United Artist/Getty Images)

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In 1999, Connery was chosen as the Sexiest Man of the Century in a survey conducted by New Woman magazine, and one year later, he was knighted by Queen Elizabeth II.

Fox News' Melissa Roberto and The Associated Press contributed to this report.

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