Although Michael Hastings' original play makes a point of revealing Mrs. Eliot's membership of the British Union of Fascists in the 1930s, the film excludes this entirely.
Although they were instrumental in getting T.S. Eliot's early poetry published, neither Ezra Pound nor Robert McAlmon is even mentioned in this film.
T.S. Eliot accepted a scholarship to study at Merton College, Oxford University in 1914 rather than study at Marburg, Germany when war broke out. Eliot was an American citizen living in England and never served in the military.
Rosemary Harris and Willem Dafoe would later appear in the Spider-Man film trilogy directed by Sam Raimi, though they only share scenes in the first film.