Grace Is Gone director Jim Strouse’s The Incredible Jessica James will close the festival in Park City.
Vaughan was best known for roles in TV series Porridge and Game Of Thrones.
EXCLUSIVE: Catherine Linstrum and Keri Collins movies shortlisted for development and production scheme.
EXCLUSIVE: Caspar Lee hired by UK producers as part of a marketing drive to entice younger audiences.
Aftermath and Bryan Cranston drama Wakefield among latest pick-ups.
Festivals and Awards
Browse the digital edition of Screen International here, which includes a focus on leading contenders for directing and screenwriting nominations this awards season.
Upcoming exclusive titles include LFF title Dearest Sister and French series Beyond The Walls.
Campaign aimed at raising $127,000 (£95,000) to fund technology improvements, product development and marketing for world cinema VOD platform.
EXCLUSIVE: Three teams selected for Lab from more than 100 applicants.
Latest box office news
DECEMBER 5 UPDATE: Ahead of Rogue One, Disney crosses $4bn mark overseas for their first time ever, marking only the second time for any studio.
Anime smashes records, defeats Harry Potter spin-off.
Megan Ellison’s Annapurna Pictures announced the development on Thursday.