The publicity machine behind the upcoming biopic about the porn star Linda Lovelace has unveiled the latest round of casting.

Rob Epstein and Jeffrey Friedman will direct the Millennium Films production from an original screenplay by Andy Bellin. Nu Image holds international rights.

Moore will play the author and activist Gloria Steinem. Brody will play Lovelace’s Deep Throat co-star and Roberts is on board as a lie detector expert.

As previously announced, Amanda Seyfried will star as Lovelace and Peter Sarsgaard will play her husband.

Production got underway in Los Angeles in December.