Trivia: Director Franco Zefferelli had to get special permission to show Olivia Hussey, a teenager at the time, topless in one scene.
Trivia: The bystanders looking at the camera when Rosemary crosses the street were staring in disbelief as Mia Farrow actually wandered out into oncoming traffic! Polanski did not want to "stage" the scene, so she was literally risking her life.
Trivia: Barbra Streisand and Omar Sharif had an affair that lasted for the duration of the production.
Trivia: Vera Miles plays Madelyn Buckman, the mother of Tish Buckman (Katharine Ross). In real life, Miles is only eleven years older than Ross.
Trivia: The director, Carol Reed, is actually Oliver Reed's (portrays Bill Sikes) uncle.
Trivia: Ava Gardner plays Empress Elizabeth, the mother of Archduke Rudolf (Omar Sharif). In real life, Gardner was only ten years older than Sharif.