Conversation so far:
What is interesting about the production of Good Night and Good Luck?
George Clooney was paid $1 each for writing, directing, and acting in Good Night, and Good Luck., which cost $7.5 million to make.
Who was part of the cast of this production?
Dallas Mavericks owner Mark Cuban and former eBay president Jeff Skoll invested money in the project as executive producers.
Was this project successful?
The film ultimately grossed more than $54 million worldwide.
When was this production finished?
CANNOTANSWER.
Are there any other interesting aspects about this article?
A young Robert Kennedy is also shown in the movie during McCarthy's hearing sessions.
Who plays the role of Robert Kennedy?
He was then a staff member on the Senate subcommittee chaired by McCarthy.

Question: What role did Clooney have in the movie?
Self-contained rewrite: What role did Clooney have in Good Night, and Good Luck?