Jourdan played the lead opposite Leslie Caron in 1958's romantic comedy Gigi, which won nine Academy Awards, including Best Picture. He also starred as the villain Kamal Khan in the 1983 James Bond film Octopussy. Jourdan's other film credits include The Swan, Can-Can, The Paradine Case, Letter from an Unknown Woman and The Best of Everything.
On the small screen, Jourdan was the title character in the BBC's 1977 series Count Dracula, and played the antagonist Dr. Anton Arcane in Swamp Thing.
Jourdan was married to Berthe Frederique for more than 60 years before her death in 2014. Their only child, Louis Henry Jourdan, died from a drug overdose in 1981.