Many happy returns, Michael Douglas, who turns 70 today (September 25).

The actor, currently filming the highly-anticipated Marvel movie Ant-Man, has starred on the silver screen for over four decades, making his film debut with father Kirk Douglas in 1966's Cast a Giant Shadow.

To celebrate the Hollywood star's milestone birthday, we delve deep into the archives to pull out some classic images of the acting legend below:

1. Michael Douglas as a young boy lifts a goat to emulate father Kirk Douglas on the set of Howard Hawks's 1952 western The Big Sky.

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REX/SNAP


2. Kirk Douglas shows off his strength (and skin-tight white swimming short shorts) as he lifts youngest son Joel (left) and eldest, Michael (right) during a family holiday circa 1955.

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Hulton Archive/Getty Images


3. An inquisitive Michael inspects a world globe with brother Joel (centre) and father Kirk in the mid '50s.

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Arnold M. Johnson/Hulton Archive/Getty Images


4. Michael joins Kirk on the set of Melville Shavelson's Cast a Giant Shadow - in which Michael is uncredited for his role as a Jeep driver - in Rome, 1965.

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Hulton Archive/Getty Images


5. The fresh-faced star ahead of his lead movie debut in David Miler's Hail, Hero! in '69.

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Hulton Archive/Getty Images


6. Douglas reclines under an umbrella in the director's chair during a break in the production of director Miller's Hail, Hero!.

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Hulton Archive/Getty Images)


7. A young, prancing swimming trunk-clad Douglas in a still from the film in 1969.

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Archive Photos/Getty Images


8. Douglas, co-star Kathleen Turner and an unwelcome crocodile in a cheesy shoot to promote Romancing the Stone sequel The Jewel of the Nile in 1985.

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REX/Sipa Press


9. Douglas does sexy as he smoulders solo in a Santa Barbara swimming pool complete with palm tree backdrop during a photoshoot in 1988.

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Terry O'Neill/Getty Images


10. The actor turns his camera on the paparazzi during the 4th of July Cruise Party in New York with former wife Diandra in the late '80s.

The couple married in '77 when Douglas was 32, and Diandra - the daughter of an Austrian diplomat - was just 19. The pair had one son together, Cameron, now 35.

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Ron Galella/WireImage


11. The jubilant Hollywood star holds up his Oscar for Best Actor as Gordon Gekko in Oliver Stone's Wall Street in 1988.

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AP Photo/Lennox McLendon


12. Douglas looks evil and conniving as he poses in a sharp suit with a fat cigar in the guise of infamous Wall Street character Gordon Gekko during a shoot circa 1990.

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Terry O'Neill/Getty Images


13. All the glittering guests flock to the star at the Swifty Lazar Oscar party in West Hollywood in 1989, a year after his Best Actor Academy Award win for his role in Wall Street.

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George Rose/Getty Images


14. Douglas poses with Basic Instinct co-star Sharon Stone in a sultry black and white shot for the 1992 thriller.

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REX/Moviestore Collection


15. The star with fellow Hollywood veteran actor Dustin Hoffman during a charity event back in 1993.

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Ron Galella, Ltd./WireImage


16. Proud father Kirk kisses his son during a tribute dinner where Douglas junior collected the Humanitarian Award in Beverly Hills in 2001.

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LUCY NICHOLSON/AFP/Getty Images


17. Douglas poses with now-wife Catherine Zeta-Jones during the 1999 Dunhill Cup.

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REX/Ted Blackbrow


18. The Hollywood couple look tense as they watch Roger Federer and Novak Djokovic compete during the 2011 US Open.

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Mike Stobe/Getty Images for USTA

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Naomi Gordon

Naomi Gordon is news writer mainly covering entertainment news with a focus on celebrity interviews and television.