(49:41) The million-franc cheque is made out to Jaques Dupont, whilst dialogue has named him François Dupont.
(49:52) Although the cheque seen is dated 14th June 1973, the "Nice-Matin" read by Alec in the very next shot, ostensibly about this event, is dated Monday 9th April 1973.
(3:45) Owing to the vagaries of using stock footage, during the protest demo at El Leon's arrest in Nice a red London bus advertising Typhoo tea drives past in the background.
(39:39) The newspaper article asking "Was El Leon Kidnapped?" is made up of 3 text columns on a variety of topics, including fixed exchange rates and the brief Argentinian presidency of Héctor Cámpora.