Unfortunately for Harry not in this case. Apart from also time travel hadn't been invented so he needed something to have been in place back in 2020.
Actually if you look at the definition I can see why people were a little 'side-eye' at Melania Trump getting it
O-1A: Individuals with an extraordinary ability in the sciences, education, business, or athletics (not including the arts, motion pictures or television industry);
O-1B: Individuals with an extraordinary ability in the arts or extraordinary achievement in motion picture or television industry;
To qualify for an O-1 visa, you must demonstrate extraordinary ability by sustained national or international acclaim, or a record of extraordinary achievement in the motion picture and television industry, and must be coming temporarily to the United States to continue work in the area of extraordinary ability.
Extraordinary ability in the fields of science, education, business or athletics means a level of expertise indicating that you are one of the small percentage who have arisen to the very top of the field.
Extraordinary ability in the field of arts means distinction. Distinction means a high level of achievement in the field of the arts. This is evidenced by a degree of skill and recognition substantially above that ordinarily encountered, to the extent that you are prominent, renowned, leading, or well-known in the field of arts.
To qualify for an O-1 visa in the motion picture or television industry, you must demonstrate extraordinary achievement. This is evidenced by a degree of skill and recognition significantly above that ordinarily encountered, to the extent that you are recognized as outstanding, notable or leading in the motion picture and/or television field.