Stanley Tucci, John Turturro and Kristen Stewart will co-star in Barry Levinson's upcoming Hollywood comedy "What Just Happened?" starring Robert De Niro says The Hollywood Reporter.

"Happened" centers on a desperate movie producer trying to survive the treachery of Hollywood and a broken second marriage while struggling to maintain a shred of dignity.

Tucci will play a screenwriter, Turturro will portray a Hollywood agent, and Stewart will take on the role of the daughter to De Niro's character. Bruce Willis and Sean Penn also will be featured in small roles, playing themselves.

Art Linson penned the screenplay. Principal photography is set to begin March 22nd in Los Angeles.