Colin plays an American golfer named Wallace, who after struggling with unhappiness fakes his own death to escape his life and becomes a golf professional called Arthur.
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Colin Firth in Arthur and Mike
On his trip across the midwest to the state of Indiana, he meets a troubled young woman (Emily Blunt) who has taken on the identity of her sister, Michaela, or Mike.
In this exclusive clip for HELLO! online, Arthur shows off his golfing skills to Mike, and impresses a family sat alongside them at the same time.
Arthur and Mike is out in the UK on 27 June.