The movie was a passion project of director William Friedkin
who called it "the first film I really wanted to make, understood and felt passionate about". He had first seen the play in San Francisco in 1962, and managed to get the film version funded by Edgar J. Scherick
at Palomar Pictures, in part because it could be made relatively cheaply. Pinter wrote the screenplay himself and was heavily involved in casting. "To this day I don't think our cast could have been improved," wrote Friedkin later. See more
But a birthday, I always feel, is a great occasion, taken too much for granted these days. What a thing to celebrate, birth! Like getting up in the morning. Marvelous! Some people don't like the idea of getting up in the morning. I've heard them. Getting up in the morning, they say, what is it? Your skin's crabby, you need a shave, your eyes are full of muck, your mouth is like a boghouse, the palms of your hands are full of sweat, your nose is clogged up, your feet stink, what are you but a ...