Very Important Person (film)

Very Important Person retitled A Coming Out Party in the United States is a 1961 British comedy film, directed by Ken Annakin and written by Jack Davies and Henry Blyth.

Sir Ernest Pease James Robertson Justice is a brilliant but acerbic scientist working on aircraft research during World War II. He needs to take a trip on a bomber to observe the results of his work. At first the plan is to fly in an RAF plane disguised as an RAF officer, but when he is told to shave off his beard he refuses and gets to go as a Royal Navy officer, as beards are allowed in the RN.Because it is vital that nobody knows who he is, Pease goes on the trip as Lieutenant Farrow, a public relations officer. ........

Source: Wikipedia