Raised in Chelsea and educated at Miss Ironside’s School and Upper Chine, Birkin entered the acting world after brief stints in British television and an uncredited appearance in The Knack…and How to Get It, soon securing small parts in Michel Antonioni’s Blowup (1966) and the counter-cultural film Kaleidoscope (1966). A pivotal meeting with Serge Gainsbourg on the set of Slogan (1969) launched a…
