After the film's tepid reception, especially for his own starring performance, a once-enthusiastic Peter O'Toole declared, 'It was a mistake and I made the mistake because I was conservative and played safe. And that way lies failure'.
In London, this film was the Royal Command Film Performance for 1965, with the Queen attending the premiere. James Mason was amongst the stars of the film presented to Her Majesty, and he was able to secure free tickets for the evening for his parents, who were both octogenarians by this time. However, they disliked the film so much that they discreetly left the cinema at the intermission - even though their son had not appeared on-screen yet.
In her book, 'To The End Of Hell', Denise Affonço notes that her late husband Phou Teang Seng (a victim of the Khmer Rouge) worked on Lord Jim (1965) as a stage manager and was responsible for the entire crews' canteen. Denise spent a month on the set (in Siem Reap) when she was pregnant with her son, Jean-Jacques.
According to director Richard Brooks's biographer Douglass Daniel, though the Cambodian government never demanded any script approval, one condition of its agreement to allow on-location shooting in the troubled nation was for the production company to build a 45-room addition to an existing hotel near the famed Angkor Wat ruins, at a cost of $600,000 from the $9 million budget.