Who is the most Famous actors and actresses of 2009?

It's hard to say definitively who the *most* famous actors and actresses were in 2009, as fame is subjective and based on different factors like box office success, critical acclaim, media attention, etc. However, some actors and actresses who were very prominent in 2009 include:

Actors:

* Daniel Craig: He starred in the critically acclaimed "Quantum of Solace," the second James Bond film in his run as 007.

* Robert Downey Jr.: He gained enormous popularity for his role as Tony Stark/Iron Man in "Iron Man," which became a major box office hit and launched the Marvel Cinematic Universe.

* Tom Hanks: He starred in "Angels & Demons," a successful sequel to "The Da Vinci Code," and also in the critically acclaimed "The Invention of Lying."

* George Clooney: He had a successful year with "Up in the Air," which earned him an Academy Award nomination for Best Actor.

* Leonardo DiCaprio: He starred in the Oscar-nominated "Revolutionary Road" and "Inglourious Basterds" by Quentin Tarantino.

Actresses:

* Sandra Bullock: She won the Academy Award for Best Actress for her performance in "The Blind Side."

* Meryl Streep: She was nominated for an Academy Award for her role in "Julie & Julia" and also starred in the critically acclaimed "Doubt."

* Angelina Jolie: She starred in the action film "Wanted" and the drama "Changeling."

* Reese Witherspoon: She starred in the romantic comedy "How Do You Know" and received critical acclaim for her role in "The Time Traveler's Wife."

* Natalie Portman: She starred in the psychological thriller "Black Swan," for which she won the Academy Award for Best Actress.

This list is not exhaustive, but it highlights some of the actors and actresses who were at the forefront of the entertainment industry in 2009.