Bert Lahr (born Irving Lahrheim; August 13, 1895 – December 4, 1967) was an American actor and comedian. Lahr is remembered today for his roles as the Cowardly Lion and the farmworker Zeke in the 1939 movie The Wizard of Oz, but was also well-known for work in burlesque, vaudeville, and on Broadway. Description above from the Wikipedia article Bert Lahr, licensed under CC-BY-SA, full list of contributors on Wikipedia.
The Wizard of Oz
("Zeke" / Cowardly Lion)
The Sound of Laughter
(Egbert Bunting / Roland Montague)
The Night They Raided Minsky's
(Professor Spats)
Just Around the Corner
(Gus)
Ship Ahoy
(Skip Owens)
Mr. Broadway
(Bert Lahr)
Meet the People
(Commander)
Always Leave Them Laughing
(Eddie Eagen)
Flying High
(Emil 'Rusty' Krouse)
Sing Your Worries Away
(Clarence 'Chow' Brewster)
Henry the Ache
(King Henry VIII)
Rose Marie
(Barney McCorkle)
A Tale of Old Whiff
(voice)
Merry Go Round of 1938
(Bert)
Zaza
(Cascart)
The Second Greatest Sex
(Job McClure)
Josette
(Barney Barnaby)
Love and Hisses
(Sugar Boles)
That's Entertainment!
((archive footage))
Whose Baby Are You?
(Bert Halibut)
The Fantasticks
(Ben Hucklebee)
Mister Universe
(Joe Pulaski)
The Dark Side of the Rainbow
('Zeke' (archive footage))
Faint Heart
(Rudolf)
The Great Waltz
(Hans Ebesteder)
Hizzoner
(Bert Lahr, Cop)
No More West
(Gunpowder Bert)
Shemp Cocktail: A Toast to the Original Stooge
(Himself (archive footage))
To Oz! The Making of a Classic
(Self)
The Big Parade of Comedy
(The Commander (archive footage))
Anything Goes
(Moonface)
The Wonderful Wizard of Oz: 50 Years of Magic
(Self (archive footage))
Hollywood Singing and Dancing: A Musical History - The 1930s: Dancing Away the Great Depression
(Self (archive))
The Dark Side of Oz
(Zeke / Cowardly Lion (archive footage))
The Colgate Comedy Hour
(Self)
The Merv Griffin Show
(Self)
Omnibus
The Ed Sullivan Show
(Self - Comedian)
General Electric Theater
(Mr. O'Malley)
Hallmark Hall of Fame
(Hucklebee)
The Hollywood Palace
(Self)
Bob Hope Presents the Chrysler Theatre
The Philco Television Playhouse
(Skid Johnson)
Summer Fun
The Steve Allen Show
(Self)
The Ed Sullivan Show
(Self)
What's My Line?
(Self - Mystery Guest)