In which film is Cooper a character?

Who played Stephen Hawking in 'The Theory of Everything'? Who played Solomon Northup in '12 Years a Slave'? In which film is Solomon Northup a character? Who played Cooper in 'Interstellar'? Who played Tony Lip in 'Green Book'? In which film is Tony Lip a character? Who played Don Shirley in 'Green Book'? Who played Lydia Tár in 'Tár'?