David Suchet credited as playing...
Hercule Poirot
- Lucy Crale: I've heard about you. The things you've done. The way you work. It's psychology. It's your forte, n'est-ce-pas?
- Hercule Poirot: C'est vrai. My success, it is founded in psychology, or, the 'Why?' of human behavior."
- [Pointing to his head]
- Hercule Poirot: It is this that I use.