Nadja Tiller was an Austrian actress in film, television, and on stage. She was one of the most popular German-speaking actresses in the international cinema of the 1950s and 1960s, receiving international recognition when she played the title role in the 1958 film Das Mädchen Rosemarie (Rosemary) in 1958, shown at the Venice Film Festival. It opened the way to international films. She often played alongside her husband, Walter Giller.

The Poppy Is Also a Flower is a 1966 American-French-Austrian made-for-television spy and anti-drug film. It was originally made under the auspices of the United Nations as part of a series of television specials designed to promote the organization's work. The film was directed by Terence Young and stars Yul Brynner, Omar Sharif, Eli Wallach, Angie Dickinson, Senta Berger, Stephen Boyd, Trevor Howard, Rita Hayworth and Marcello Mastroianni. Grace Kelly narrates.