India, Aug. 14 -- George Clooney recently expressed severe frustration with filmmaker Quentin Tarantino after some harsh comments were made about his career.

The 63-year-old icon, who is usually reserved about airing grievances publicly, was visibly irked after Tarantino remarked that Clooney is "not a movie star."

In a recent interview, Tarantino, a director with whom Clooney once collaborated on the film From Dusk 'til Dawn, downplayed Clooney's status as a leading man in Hollywood.

Opening up about the surprising feud during a joint interview with Brad Pitt for the September issue of GQ magazine, Clooney shared, "Quentin said some sh*t about me recently, so I'm a little irritated by him."

"He did some interview where he was naming ...