Vanessa Redgrave stars as Mary Stuart of Scotland, with Glenda Jackson co-starring as Queen Elizabeth I. As with the earlier Maxwell Anderson play Mary of Scotland, the film sympathizes with Mary, and there are two fictionalized face-to-face confrontations between the two queens (who never met in real life). With this film, old-line Hollywood producer Hal Wallis continued his trademark of showcasing dynamic stars within a period milieu; the film is literally swamped with lavish Tudor decor.