The Australian star played 007 in the 1969 film On Her Majesty's Secret Service - making him the only non-British or Irish actor to take on the role, as well as the franchise's shortest-serving lead.

In a post on his official Instagram account, Lazenby announced his retirement not just from acting but also "making public appearances, doing any more interviews or signing any more autographs".

"This hasn't been an easy decision, but it's time to announce my retirement from work," he wrote.

"It's been a fun ride but getting older is no fun."

Lazenby thanked his manager of 11 years for being "the best representative I ever had" and continued: "I can now concentrate on spending more time with my family.

"My sincere gratitude to everyone out there for your love and support over the years. It has meant a lot to me."

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Lazenby was working as a model when he landed the Bond role after he met producer Albert Broccoli in a barber's shop, who offered him an audition.

He was offered the chance to return to the role but declined after his agent said the spy would seem archaic in the 1970s.

He remained in the acting industry and starred in a number of other films, before being cast in the BBC's Play For Today TV series in 1973.

In the same year, he revealed he was an alcoholic and had spent all of the money he made from the Bond role.

He then moved to Hong Kong and starred in three films for the late Bruce Lee's production company.