Trail of the Pink Panther series regulars include Herbert Lom as Chief Inspector Dreyfus, Graham Stark as Hercule LaJoy (last seen in the 1964 Pink Panther film "A Shot in the Dark"), Burt Kwouk as Clouseau's faithful man servant Cato and André Maranne as Sgt. François Chevalier. "Trail" featured the animated opening and closing credits, animated by Marvel Productions and written and directed by Art Leonardi. Director Blake Edwards dedicated the film to Sellers, "the one and only Inspector Clouseau." Despite the dedication, Sellers' wife Lynne Frederick filed a $3 million lawsuit against the film's producers and the studio, claiming that the film diminished Sellers'
Inspector Clouseau pre-production of another Clouseau film, "The Romance of the Pink Panther", at the time of his death. Blake Edwards attempted to continue telling Clouseau's story despite losing his lead actor. The 1982 film "Trail of the Pink Panther" utilized outtakes and alternative footage of Sellers as Clouseau in a new storyline in which a reporter (played by Joanna Lumley) investigates Clouseau's disappearance. In the process, she interviews characters from past Clouseau films (including the Lyttons, played by the returning David Niven and Capucine), and also meets Clouseau's equally inept father (played by Richard Mulligan). The immediate sequel to "Trail", "Curse