Ben Kingsley and Emily Mortimer have joined Dan Fogler and EwanMcGregor on Beverly Hills-based production and finance company Union SquareEntertainment's drama Number Thirteen.

Chase Palmer makes his feature directorial debut on the imaginedstory of the mystery surrounding Alfred Hitchcock's lost and unfinished firstfilm, Number Thirteen.

Fogler will play the young director, who unwittingly becomes thestar of his own off-screen Hitchcockian thriller.

Union Square principals Jason Berk and Matt Lane are producingwith Gail Mutrux.

Kingsley recently wrapped John Dahl's You Kill Me opposite Tea Leoni and Luke Wilson forIFC Films. He is currently attached to play Albert Einstein in an untitledproject that he is producing through his Bipolar Pictures with Danny Glover andJoslyn Barnes' Louverture Films. He is represented by CAA.

Mortimer is currently shooting Lars And The Real Girl opposite Ryan Gosling and PatriciaClarkson. She will next be seen in the romantic comedy Chaos Theory. She is represented by WMA, ICM UK,Brillstein-Grey Entertainment and Sloane, Offer, Weber & Dern.