The custom exclusive hero-car license plate number 821 TBG was only provided to the production after post production was complete, and several months after filming, requiring additional VFX shots to replace the original plate number.
Kevin Spacey personally telephoned Gene Fallaize just as the Director was about to step onto the red carpet at the 76th Cannes Film Festival for the World Premiere of Indiana Jones e a Relíquia do Destino (2023), to offer his congratulations and some feedback on the completed film, which was completed only 3 days prior.
The Prime Minister's name in the film is David Addams, named in reference to the film's producer Adam Southwick, whose middle name is Adam. David Adam Southwick.
The film had its first screening at Pinewood Studios' John Barry Stage on May 17, 2021, little more than 12 hours before the production team flew to Cannes, France to promote and sell the film at the 76th Cannes Film Festival.
Kevin Spacey starred in Superman: O Retorno (2006) as Lex Luthor. In 2011, Director Gene Fallaize directed [error] which featured Lex Luthor's estranged son Alex as the main antagonist.