Tale of two idiot actors

"ENTOURAGE" star Jeremy Piven and actor Stephen Dorff nearly came to blows after trading insults in the wee hours of yesterday morning at Bungalow 8.

Both actors - who had come from Sean Combs' party at Pink Elephant after the Council of Fashion Designers of America Awards - were, according to many spies, "well lubricated" when they showed up at Bungalow at around 1:30 a.m.

Piven, a well-known swordsman who once made out with four different women in 10 minutes in front of a Page Six reporter, had just gotten done telling our spy how he wanted to "score with chicks," when Dorff - who was in "Blade" and "Cecil B. DeMented" - cut the bathroom line in front of him.

According to our source, the altercation was "very high school."

Piven: "Yo, what are you doing? You know you don't need to cut the line!"

Dorff: "I can do what I want!"

Piven: "No, you can't!"

Dorff: "Yes, I can!"

Piven: "You're a has-been!"

Dorff: "At least I am a movie star - you're only on TV! Cable TV!"

The last comment caused Piven to scream expletives, and security guards were called before the two could come to blows.

A witness said, "Jeremy, who actually had a table, was shoved into a bathroom by security and left shortly after. And Dorff, who was in the standing-only section, kept hanging around all night telling anyone who would listen, 'I am going to kick Jeremy Piven's ass!' It was hilarious."

Dorff ended up at 5 a.m. at Scores West, telling strippers, "I'm a movie star - you should want to sleep with me," according to one member of his entourage.

We tried to call Piven's rep - Dorff doesn't have one - but it seems his longtime rep, Siri Garber, fired him Monday. "He has morphed into his obnoxious 'Entourage' alter ego, Ari Gold," a source said.

Last week, Piven was "obnoxious" at the "Entourage" premiere at the Arclight Cinemas in L.A. Spies relate that he kicked Garber out of her seat midway through the screening "so some hot chick he had just met could sit down. He was loud and awful to her. Siri has been with him forever and done everything for him - he is a pig."

Garber declined comment.

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....MORE details are trickling in about the faceoff between "Entourage" star Jeremy Piven and actor Stephen Dorff we told you about yesterday. Another somewhat sober spy - who was standing right behind Piven at Bungalow 8 when Dorff tried to cut to the front of the bathroom line - tells us how he remembers it went down:

"Jeremy throws his arm out to stop him and says, 'No, no, no. You are going to wait in line like the rest of us, you privileged, spoon-fed son of a bitch.' Then Piven turns to the long line of people who are all watching and asks, 'Anyone wanna see this guy cut the line?' People shake their heads no. Dorff starts making threats and gets in Piven's face. Piven doesn't move an inch - in fact he laughs and taunts him with a chuckle and says, 'What are you gonna do? You're nothing, baby! Nothing' . . .

Dorff was fuming and his face was turning red. Dorff started to say something about 'having class' and how Piven just made a huge mistake because he has some very powerful friends. Dorff leaves him with this gem: 'You are done, see you in line for my next movie.'