David Edward Leslie Hemmings was an English film, theatre and television actor as well as a film and television director and producer.

He is noted for his role as the photographer in the drama mystery-thriller film Blowup (1966), directed by Michelangelo Antonioni. Early in his career, Hemmings was a boy soprano appearing in operatic roles. In his later acting career, he was known for his distinctive eyebrows and gravelly voice.