Biography
Herbert Manfred "Zeppo" Marx (February 25, 1901 – November 30, 1979) was an American film star, theatrical agent and businessman. He was the youngest of the five Marx Brothers. He appeared in the first five Marx Brothers films, but then left the act to start his second career as a theatrical agent. Description above from the Wikipedia article Zeppo Marx, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Known For

Duck Soup
Bob Roland

The Cocoanuts
Jamison

The Marx Brothers: Hollyw...
Self (archive footage)

A Kiss in the Dark
(as Herbert Marx)

Horse Feathers
Frank Wagstaff

The House That Shadows Bu...
Sammy Brown

Monkey Business
Zeppo

Animal Crackers
Horatio Jamison

The Movie Orgy
Self (archive footage)

Oops, Those Hollywood Blo...
Self (archive footage)