LOS ANGELES, California (X17online) - Oscar-winner Reese Witherspoon has signed on to star in an untitled comedy directed by James L. Brooks, Variety reports.

The "Broadcast News" and "Terms of Endearment" director is also writing the script which is described as an ensemble project with at least three major characters.

So far, Witherspoon is the only actor attached to the project.

Columbia Pictures, the studio producing the film says filming is expected to begin in March.