''I was really nervous,'' says the 38-year-old Entourage star. What had him so jittery? Lloyd's go-get-'em speech to Ari (Jeremy Piven) after the agent was fired at the end of season 2. ''I'm not sure that the producers and writers thought I could handle it. The first two takes were horrible. But basically I said [to myself], This is your moment to shine, and if you don't grab it, you have no one to blame but yourself. So I just did it.''