AKA/Bow Street Films (AKA/BSF) announced today that Penn Badgley (Greetings from Tim Buckley), Teresa Palmer (I Am Number Four), Alexis Bledel (Gilmore Girls) and Hill Harper (CSI: NY) have joined the ensemble cast for writer/director Brian Horiuchi's much anticipated Parts Per Billion. The film is currently scheduled to shoot through Christmas in Detroit.

Parts Per Billion also stars Frank Langella (Robot and Frank), Gena Rowlands (Yellow), Rosario Dawson (Sin City) and Josh Hartnett (Black Hawk Down), with Molly Hassell (Edmond), Jennifer Levine (Delirious), Michael Benaroya (Lawless) and David Dickson producing. Joe Jenckes (Margin Call) will be executive producing with Rosario Dawson, Cotty Chubb, Arianne Fraser and Miscellaneous Entertainment's D. Todd Shepherd and George Waud. Benaroya Pictures, through its AKA/BSF label, is financing the ensemble film which tells the story of three couples dealing with the same reality shaking event that threatens to tear them apart.

Director Horiuchi is repped by the Gersh Agency, Untitled Entertainment and the Behr & Abramson law firm.

World sales rights are being handled by Celluloid Nightmares, the international sales venture between LA-Based XYZ Films and Paris-based Celluloid Dreams.