David Krumholtz, star of star of CBS' "Numbers," has signed on to star opposite Michelle Williams in Woody Allen's untitled Paris-set movie.

Like most of Allen's movies, story details are being kept under wraps, though it is understood to focus on a trio of young Americans in the City of Lights. Production begins in the summer.

Written and directed by Allen, the movie is being produced by Letty Aronson, Stephen Tenenbaum and Gareth Wiley. Vincent Maraval, Benjamin Waisbren and Daniel Wuhrmann are exec producing.

The movie is being co-produced and distributed by Virtual Films and Wild Bunch, with On Pictures taking distribution rights for Spain and TF1 having distribution rights for France.

"Numbers" is Friday's highest-rated primetime show and just posted its highest numbers of the season Friday.

Krumholtz next appears on the big screen in Emilio Estevez's "Bobby." His other recent feature credits include "Serenity," "Ray" and "Harold & Kumar Go to White Castle."

He is repped by Gersh and the Collective.