California-Oscar-winning actor Michael Douglas says his main philanthropic cause - nuclear disarmament - is not exactly the kind of “touchy-feely” issue that celebrities and their fans covet, and it can be awfully frustrating when it comes to progress.

It’s one, however, he has stuck with for years as a United Nations Messenger of Peace since 1998, and for that persistence he will be recognized on Tuesday night with the Danny Kaye Humanitarian Peace Award from the US fund for Unicef, the UN branch for children.