A Broadway playwright puts murder in his plan to take credit for a student's script.
Acting
Caine's theatrical ham meets Reeve's surprisingly sinister student energy.
Writing
Ira Levin's script folds in on itself like a murderous Möbius strip.
Direction
Lumet stages the single location like a pressure cooker with curtains.
Director
Sidney Lumet
Trivia, insights & behind the scenes
Christopher Reeve filmed this between Superman I and II, desperate to prove he could play villains.
The film's famous twist was so widely spoiled that theaters posted 'no spoilers' warnings — the original 'spoiler alert.'
US
