The film will co-star Oscar-winner Renee Zellweger, Ian McShane and Bradley Cooper. It will be directed by Christian Alvert with a screenplay by Ray Wright.Currently, O'Malley can be seen as the character of Mary-Kate in Showtime's hit television show "Brotherhood." On Broadway, O'Malley has been seen in Into the Woods, Annie Get Your Gun, Cyrano, and Translations. Her other theatrical credits include The Plough and the Stars, How I Learned to Drive, Bright Lights, Big City, Flight, Dublin Carol, Elmer Gantry, and A Tree Grows in Brooklyn. O'Malley's TV and film credits include "Costello," "The Mike O'Malley Show," "NYPD Blue," "Law & Order," "Brooklyn South" and Rounders.