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.
The Cocoanuts
1929
The Marx Brothers: Hollywood's Kings of Chaos
2016
Horse Feathers
1932
Duck Soup
1933
Oops, Those Hollywood Bloopers!
1982
The House That Shadows Built
1931
The Movie Orgy
1968
Animal Crackers
1930
Hollywood on Parade No. B-5
1933
Monkey Business
1931
Classic Comedy Teams
1986
A Kiss in the Dark
1925
Humor Risk
1921
Inside the Marx Brothers
2003
I'll Say She Is
1931