Trivia: Gert Fröbe and Desmond Llewelyn are in the film both of whom were in "Goldfinger" (1964). The first Bond novels were written by Ian Fleming who also wrote "Chitty Chitty Bang Bang."
Trivia: Tim Matheson (Mike) and Jennifer Leak (Colleen) later married after meeting on the set of the movie.
Trivia: The original Beatles did not voice themselves in the film. They only showed up at the end and they sing the songs.
Trivia: The opening scene of the demolition derby cars is footage from the 1966 film "Fireball 500."
Trivia: Walter Brennan plays Grandpa Bower, the father of Calvin Bower (Buddy Ebsen). In real life, Brennan was only fourteen years older than Ebsen.
Trivia: Bruce Forsyth, who plays Arthur Lawrence, was only 7 years older than Julie Andrews, who plays his daughter Gertrude.
Trivia: This film is a notable first in the "Pink Panther" series for three reasons. It was the first film not to feature Peter Sellers in the title role, the first not directed by Blake Edwards, and the first in which Henry Mancini did not provide the music score. All three were unavailable as they were involved with the film The Party (1968).