Trivia: Arnold Stang broke his left forearm just days before his scenes were shot.
Trivia: Red Grant has no dialogue until he first meets Bond. He first speaks in a rich, upper-class English accent. After Grant has revealed his true identity to Bond, his English accent changes into a lower-class Irish accent as he explains the SPECTRE background plot.
Trivia: While Steve McQueen performed most of his own stunts, the only stunt he didn't perform was the 60 foot jump over the Austrian-Swiss border fence. The jump was performed by stuntman Bud Ekins, who later doubled for McQueen in "Bullitt."
Trivia: The attempt to make the locations look wild and uninhabited were obviously not altogether successful. Near the beginning of the movie, some boys are sitting in a sandy clearing in public-school blazers. On the right of the screen you can clearly see a tent peg with ANTONY M written on it. Also, as one of Jack's choirboy-hunters thrashes through the undergrowth, look closely and you can see that he accidentally impales an old beer can.
Trivia: This Carry on film (carry on cabby) was firstly called Call me a cab.
Trivia: The original title of this movie was going to be "Carry On Up The Armada", but unfortunately it didn't find favour with the British Board of Film Censors.
Trivia: Lionel Jeffries was only 5 years older than June Thorburn, who plays his daughter.