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).
Trivia: This film marked Terry Scott's return to the series. His last film had been "Carry On Sergeant" (1958).
Trivia: While Morton's private train plays a key role in the movie, and the train moves several times, the train's engineer and fireman are never shown, nor is any reference ever made to them.
Trivia: As Finian and Sharon Mc Lonergan make their way across America during the opening credits, one of the recognizable locations they pass is the iconic schoolhouse in Bodega, California, made famous in a memorable scene from Alfred Hitchcock's "The Birds." (00:05:06)
Trivia: The opening scene of the demolition derby cars is footage from the 1966 film "Fireball 500."
Trivia: Percy Rodrigues plays Dr Copeland, the father of Portia (Cicely Tyson). In real life, Rodrigues was only six years older than Tyson.
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: Ava Gardner plays Empress Elizabeth, the mother of Archduke Rudolf (Omar Sharif). In real life, Gardner was only ten years older than Sharif.
Trivia: Bruce Forsyth, who plays Arthur Lawrence, was only 7 years older than Julie Andrews, who plays his daughter Gertrude.