'Passport to Pimlico' trivia and fun facts

At the start of the film a radio announcement mentions Latin music performed by "Les Norman and his Bethnal Green Bambinos". This is an in-joke referring to Ealing producer Leslie Norman. Bethnal Green was an unattractive area in the East End of London.

The part of Prof. Hatton-Jones was written as a man and was offered to some male performers before it was decided to make the role female, and Margaret Rutherford was cast.

A placard can be seen that says "Forget that Cripps feeling": this refers to Stafford Cripps, who was at the time Chancellor of the Exchequer.

The isolation of Pimlico and its support by the common people of London is a reference to the Berlin blockade of June 1948 - May 1949.

The original negatives of this and other Ealing comedies were lost in the Henderson's Film Laboratories fire in 1993.