Who starred as Bruce Wayne and Batman in Tim Burton's 1989 movie "Batman"?

Michael Keaton starred as Bruce Wayne/Batman in Tim Burton's 1989 movie "Batman." Keaton's casting was initially met with skepticism, as he was primarily known for his comedic roles. However, he delivered a memorable performance that successfully portrayed both the brooding and tormented side of Bruce Wayne, as well as the intimidating and crime-fighting persona of Batman. Keaton's portrayal helped redefine the character for a new generation and set the foundation for future actors to follow.