Keri Russell, Alessandro Nivola and Elias Koteas have reportedly signed on to join Sigourney Weaver and Kate Bosworth in playwright David Auburn’s psychological thriller The Girl In The Park. Auburn, who penned the script, is best known for his 2000 play “Proof” which garnered the Tony Award for Best Play as well as the Pulitzer Prize for Best Drama, both in 2001. Most recently the playwright penned the Keanu Reeves and Sandra Bullock flick “The Lake House”.