French filmmaker/screenwriter Nadine Trintignant got her start as a film lab assistant at age 15. She then became an assistant editor and a script clerk. As an editor, she worked with such filmmakers as Jacques Doniol-Valcroze and Jean-Luc Godard. She gained her first experience as a director on television. She also made a short film. In the late '60s, Trintignant began making feature films, most of which have starred her spouse, Jean-Louis Trintignant. Their daughter, Marie, has become an actress and has appeared in her mother's films. Trintignant's brother and sister, Serge and Christian Marquand, are both actors.