Watch Handel: Giulio Cesare for Free: How to Stream the Movie Online at 123Movies. . Director Peter Sellars helms this provocative adaptation of George Frideric Handel's opera "Giulio Cesare," sung in the original Italian by soprano Susan Larson (who plays Cleopatra) and countertenor Jeffrey Gall (in the role of Julius Caesar) but set in a very different locale: a futuristic Middle East. Sellars personally wrote the English subtitles included in this version to match the tone he intended for his vision.