I always thought the thin-lipped Christopher Plummer was an odd choice for the crusty but heart-of-gold navy captain. I firmly believe he trussed up Julie Andrews like a chicken on their wedding night.
And never, ever make the mistake of talking to Mr. Plummer about this movie. A friend of mine lost his head doing this - an he is a professional interviewer of actors!
Here's the real guy. Check out that come-hither look, Miss M.