Imogen Hassall's last role. She tragically committed suicide a year later.
Gareth Hunt replaced Nicky Henson as Agent No. 1 Charles Bind. Henson joined the Royal Shakespeare Company and could not do the film. Henson had originally signed on to do three Charles Bind pictures and had previously portrayed the character in the first film in the series No. 1 of the Secret Service (1977).
The last name of the Agent No. 1 - Charles Bind character is a spoof of the surname of James Bond.