Here's why:
* James Bond: Kevin Costner played a secret agent named "James Bond" in the 1990 film "Robin Hood: Prince of Thieves." While not the official James Bond, it's a playful nod to the iconic character.
* A King: Costner played King Arthur in the 1995 film "First Knight."
* Doctor: Costner played a doctor in the film "The Bodyguard."
* Robin Hood: He played Robin Hood in the aforementioned 1990 film "Robin Hood: Prince of Thieves."