If you really like Alec Guinness, then this film is for you.  Two Alec Guinness for the price of one.  Throw in a deranged Bette Davis, and you have yourself a deal!

Recommendations:
Glenn: Aliens directors cut (1986 film)
Sarah: The Da Vinci Code (2006 film)
Cameron: Feud: Betty and Joan (2017 television series)