I've never been much smitten by Catholicism. I've never been committed to any religious dogma of any sort. … For years the Catholics had me on their blacklist. Then along comes some sharp-witted pater and says 'Let's take this lad into the business, instead.' And I've been plagued by Catholic interpretations ever since. … I've never felt any attraction to Catholicism. Catholicism, I think, does have its attractions. But Protestantism is a wretched kettle of fish.

Stig Bjorkman interview - Bergman on Bergman (1970)