People on Sunday (German: Menschen am Sonntag) is a 1930 German silent drama film directed by Robert Siodmak and Edgar G. Ulmer from a screenplay by Robert and Curt Siodmak. Curt was the younger brother of Robert Siodmak. The film follows a group of residents of Berlin on a summer's day during the interwar period. Hailed as a work of genius, it is a pivotal film in the development of German cinema and Hollywood. The film features the talents of Eugen Schüfftan (cinematography), Billy Wilder (story) and Fred Zinnemann (cinematography assistant).