Thesp, GK in 'Words' play.(Bradley Cooper in GK Film's The Words)(Brief article)

Bradley Cooper has signed on to star in drama "The Words," which Lisa Wilson's Parlay Films, an affiliate of GK Films, is preselling at Berlin's European Film Market.

Jeremy Irons is in talks to co-star. Pic marks the directorial debut of "Tron: Legacy" scribes Brian Klugman and Lee Sternthal.

"The Words" reunites "Margin Call's" Michael Benaroya (of Benaroya Pictures) and Untitled Entertainment's Laura Rister and Cassian Elwes.

Benaroya, Animus Films' Jim Young and Serena Films' Tatiana Kelly will produce, while Rister and Elwes are exec producing the pic.

Filmula's Johnny Lin is in negotiations to co-finance and produce "The Words" with …