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'
Revenge of the Pink Panther he would write and shoot new footage around it with Sellers and company. Sellers balked at this and insisted that "Revenge" feature all new footage. Sellers' contract for "Revenge" gave him story approval, which is why that film carries a story credit for Edwards that none of the previous films had. The opening animated titles in the film were designed by DePatie-Freleng Enterprises, who had been involved with the series since the animated titles of the original 1963 film, "The Pink Panther". It was the first time since "Inspector Clouseau" in 1968 that DePatie-Freleng animated the opening titles of a