In 2004, Scarlett Johansson did a small a cameo for the series Entourage.

Episode: Season 1, Episode 8 ‘New York’
Aired: September 12, 2004
Directed by: Julian Farino
Written by: Doug Ellin, Larry Charles

Plot Summary:
Sick of being known as “Vince’s guy,” Eric wants a title commensurate with his responsibilities. With his latest shoot taking him to New York for three months, Vince prepares to say goodbye to L.A.–as well as his many “special” girlfriends. Meanwhile, Drama debates taking either a high-paying TV role or a low-paying film gig, and Turtle stakes out a claim as Vince’s “farewell party” promoter.