Bert and Dickie, shown on BBC1 on Wednesday last week, told the story of Bushnell's unlikely partnership with Richard 'Dickie' Burnell in the men's double sculls at the Austerity Games.
Both men have links with Maidenhead Rowing Club and Bushnell first raced in the Maidenhead Regatta in 1939.
The River Road-club received a special thanks in the programme's credits and loaned a number of props including oars, boats and pictures for the film.
Former club president Derek Cook was good friends with Bushnell, who died in 2010, and was consulted on the film's script.
He said: "I thought the programme itself was a very good representation of the time after the war. I thought the actors did so well and it was amazing how good they got the likenesses.
"It was excellently done by the BBC and it was very significant that they chose to do it on this subject ahead of the Olympics."
Gerard Donaldson, who worked for Bushnell at his boatyard in the 1960s, added: "I thought it was really, really good and it told a story people might not know about."
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The crash, which took place at about 7am today (Thursday), involved three vehicles. One man sadly died as a result of the collision and his next of kin have been informed.