Richard Owen Fleischer was an American film director whose career spanned more than four decades, beginning at the height of the Golden Age of Hollywood and lasting through the American New Wave.

Doctor Dolittle is a 1967 American musical comedy film directed by Richard Fleischer and starring Rex Harrison, Samantha Eggar, Anthony Newley, and Richard Attenborough. It was adapted by Leslie Bricusse from the Doctor Dolittle novel series by Hugh Lofting, primarily The Story of Doctor Dolittle (1920), The Voyages of Doctor Dolittle (1922), and Doctor Dolittle's Circus (1924).