- The title refers to the following lines from Tennyson's 1842 poem "Lady Clara Vere de Vere": "Kind hearts are more than coronets, And simple faith than Norman blood."
- In addition to the eight roles played by Guinness, a painting may be seen in the Duke's castle showing an ancestor - a painting for which Guinness sat.
- The right of peers to be tried in the House of Lords was abolished in 1949, the same year the film was released. The two were not connected, the right was abolished due to a combination of a Labour Government and reaction from a drunk driving case where the lordly defendant was tried in the House of Lords.
- The scene where six members of the D'Ascoynes family, all played by Alec Guinness, are seen together took two days to film. The camera was set on a specially built platform to minimize movement. A frame with six black matte painted optical flat glass windows was set in front of the camera and the windows opened one at a time so each of the characters could be filmed in turn. The film was then wound back for the next character. Most of the time was spent waiting for Guinness to be made up as the next character.
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