Mr Johnson was talking after escorting the Queen on a tour of the Olympic Park, where Her Majesty visited Team GB athletes.
Fresh from her starring role alongside James Bond actor Daniel Craig in last night’s opening ceremony, the Queen was shown around the British section of the athletes’ village as well as the Orbit Tower.
Of the opening ceremony cameo, where the Queen seemingly made a dramatic entrance to the Olympic stadium by parachute along with 007, the London Mayor said Her Majesty was interested to know whether viewers had found the short video funny.
An actor dressed as Queen Elizabeth II parachutes into the stadium during the opening ceremony of the London 2012 Olympic Games AFP
“She was thrilled to have been given her first film role and she was very keen to know whether people had been amused by it,” Mr Johnson said.
“Whether she will get an Oscar I don’t know, but she really enjoyed it.”