Matt Damon has admitted that he was anxious about taking on the role of Francois Pienaar in Invictus.
The actor teams up with Morgan Freeman for Clint Eastwood's latest movie that follows Nelson Mandela.
But Damon had concerns when at 5ft 10ins he would have to take on Pienaar, who is 6ft 4in.
In an interview with STV the actor said: "He's quite a physical specimen. He's 6ft 4in and about 230lbs and I'm 5ft 10in.
"It was a lot of work to capture Francois physically, but then I spent time talking to him and understanding the stakes of this movie."
"Clint used tricks and camera angles to make me look taller than I actually am, but, before we started filming, I spent six months doing rigorous physical training trying to change my body."
But it all paid off as Damon bagged a Best Supporting Actor Golden Globe nomination for his performance, and could have an Oscar nomination tomorrow.
Invictus is released 5th February.
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