It's from an old 70s Italian thriller: The Strange Vice of Mrs Wardh. The actor is George Hilton, who often played suspicious red herring type roles throughout the 70s.
I saw you helped someone identify a movie title on a discussion board. Come join our new group What's The Name of That Movie? and maybe you can help out others as well. We are welcoming all that we can to be the place to go when you can't remember the name of that movie.
Hey Tommy! Saw one of your postings on a discussion thread and decided to check you out because I LOVE your avatar!:-) I see that you like Kubrick. Great stuff, yeah? WriterInk