The Essential Link: The Story of Wilfrid Israel is a documentary by Israeli director Yonatan Nir. The film, which is inspired by Naomi Shepherd's book Wilfrid Israel: German Jewry's Secret Ambassador, exposes the story of Wilfrid Israel - a wealthy Jewish businessman and owner of Berlin's largest department store in the 1930s, who was involved in the saving of tens of thousands of Jews and played a key role in the Kindertransport rescue operation. The film was produced by Highlight Films and premiered at the 2017 DocAviv International Film Festival.

Among the major rescue efforts and operations, that are described in the film are the Kindertransport and the "Triangle" that beyond Wilfrid Israel included also Captain Frank Foley and Hubert Pollack, which saved according to estimations around 10,000 Jews.