This is a great political thriller. It has everything, blackmail, secret plots against the government, sex and lies.
I liked how you slowly discover that Henry Fonda is playing against type. First you see him as the upright citizen being unfairly persecuted for his beliefs and then gradually see that there might be something real in this witchhunt.
Walter Pidgeon and Charles Laughton are each great in their roles as opposing senators. Add it to your Netflix queue. You won't regret or forget it.