Trivia: Michael Clayton
- Dyeing for Your Art: Tilda Swinton (Karen) gained a lot of weight in preparation for her role.
- Fake American: Tilda Swinton (Scottish) and Tom Wikinson (English).
- Hey, It's That Guy!: Tony Gray is the police officer Michael gets to look after Arthur in Detroit, and The Greek is the one he's trying to pay off debt to from his failed attempt at opening a restaurant.
- Maroni is the detective who tells Michael about Arthur's (apparent) suicide.
- What Could Have Been: The title role was written with Denzel Washington in mind.