I don't think it's fair to reduce this to "Orson Welles directs a TV movie," as it certainly stands above the standard TV movie fair.
But in terms of Orson Welles' filmography I can't say it stands out in any meaningful way other than being his first film in color.
It's not a bad film, but I didn't find it that compelling either. With something like Mr. Arkadin even though it is a fragmented disaster thanks to being butchered, there's…