The Today show has for years had guests on who plug their books. But there was one guest on who did it without saying a word: Harpo Marx, the hugely popular silent brother of the classic vaudeville-film Marx Brothers team. In 1961, in his early 70s, he appeared on the show and promoted his new book. Minus talking:

Harpo was famous for his parts in the Marx Brothers movies where he’d honk a horn rather than speak. And there are few recorded instances of him talking in front of a microphone.
Here is one of the Marx Brothers’ most famous comedy bits — from the film Duck Soup, reportedly shot in one take after one rehearsal and with no script.
Mustachioed wise-cracking brother the great Groucho Marx sees something fishy with the reflection of him in the mirror — who is really Harpo Marx. Third main brother Chico Marx (also wearing a mustache like Groucho) appears at the end. If you’re a young person who has never seen it you are IN FOR A CLASSIC COMEDY TREAT:
