Kudos for the Casting Director
I like to watch biopics, which means that I'm very picky about the actors who play historical characters. The NIXON of Oliver Stoned-Out-Of-His-Gourd is a particularly ineffective example of biopic; not only does that movie abound with the demented fantasies for which that director is famous, but also Anthony Hopkins is a very poor choice to play Nixon; Hopkins' resemblance to RMN is limited to having a head with two ears, two eyes, a nose and a mouth. Alec Guinness as Charles I, on the other hand, is a truly superb example of excellent casting; indeed, Guinness resembles Charles I so much that it makes me wonder whether the two might be related.
God is subtle, but He is not malicious. (Albert Einstein)