Under the category of “things I had no idea existed”: Pëtr Kropotkin’s daughter, Princess Alexandra Kropotkin, interviewed by Henry Hazlitt and William Bradford Huie on CBS television in 1951 (the presenter is Frank Knight, but not that Frank Knight).
Her father is described as having been exiled from Tsarist Russia for his liberal views, which is quite right if by “was exiled” you mean “escaped,” and by “liberal” you mean “anarcho-communist.” This is a very anti-Red program, and you can tell they didn’t want to cause grievous mental confusion to the Great American Public. (Evening, all!)
(Does Huie actually say that “in America … nobody is afraid of a policeman”? Yes, he does. Preach it, white boy!)
Video footage exists of père Kropotkin himself, though it is not exactly extensive:
Addendum (20 July 2020): That last clip is no more, but here’s another version (somewhat worse picture quality than the clip that vanished, but oimoi):