Bill Marx (Harpo's son) on Letterman, November 4, 1985
8:39
Susan Fleming Marx - Speaking of Harpo
7:06
Chico Marx (as Harpo) on I've Got a Secret 21/04/1954
54:09
Groucho Marx Dick Cavett 1969
16:06
The Comedians Who Made David Letterman Laugh the Hardest
4:59
Harpo Marx playing classic #jazzharp #masterclass #harpstoriesintheimprovisation
12:12
Person to Person--Harpo Marx
6:44
The Wonderful Insults of Groucho Marx
9:23