 Played by Alexis Dziena (8 episodes).A young agent working at the Triad Agency in Hollywood, Weinstein first appears in the Season 1 episode "The Script and the Sherpa," when he gives E a script for "Queens Boulevard", a movie set in Queens, New York.It is revealed that the gang barely remembers Josh, who was once Ari's assistant before the events of the series and turns into his nemesis for the first three seasons.