Ewan McGregor will star as a grown up Danny Torrance in Warner Bros.? adaptation of ?Doctor Sleep,? Stephen King?s sequel to ?The Shining,? an individual with knowledge of the project told TheWrap. Flanagan also rewoite the script, originally adapted by Akiva Goldsman. Recommended Video: Now Playing: Jared Leto's Joker to Get Standalone Film Variety reports that Leto will both executive produce and star in the solo film. Leto?s rendition of the Joker first appeared in ?Suicide Squad? in 2016 and hasn?t appeared in a film since.