Not bad for a boy from South London!
To mark this milestone, Digital Spy has taken a trip through the video archives to unearth some of the best impersonations of the Brit actor. Many happy returns, Sir Michael!
Rob Brydon and Steve Coogan
There's two for the price of one in this clip as Brydon and Coogan do duelling Caine impressions over the dinner table in Michael Winterbottom's BBC comedy The Trip.
The Fast Show star channeled '60s Ipcress File Caine for a recurring sketch in Harry Enfield & Chums, which saw "Michael Paine" break the fourth wall to discuss the antics of his next-door neighbours.
The Spaced star is a man of many voices, and he used them all to good effect in BBC sketch comedy The Peter Serafinowicz Show for a series of acting masterclasses. The below clip shows Michael Caine talking through the art of performing for the camera...
One British acting legend impersonates another. Peter Sellers was always good value as a chatshow guest, no more so when he's riffing on Caine for Parkinson. "Not a lot of people know that..."
Stella Street, created by Phil Cornwell, John Sessions and Peter Richardson, imagined a UK postcode in Surbiton populated by celebrities. Here's Al Pacino, Jack Nicholson, Mick Jagger and Caine (Cornwell) playing a game of cricket.
We'll give the last word to the man himself. His Dudley Moore's not too bad, either!
What's your favourite Michael Caine impression? Leave your comments in the space below!