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
As "Zeke" / Cowardly Lion
The Sound of Laughter
As Egbert Bunting / Roland Montague
The Night They Raided Minsky's
As Professor Spats
Just Around the Corner
As Gus
Ship Ahoy
As Skip Owens
Mr. Broadway
As Bert Lahr
Meet the People
As Commander
Always Leave Them Laughing
As Eddie Eagen
Flying High
As Emil 'Rusty' Krouse
Sing Your Worries Away
As Clarence 'Chow' Brewster
Henry the Ache
As King Henry VIII
Rose Marie
As Barney McCorkle
A Tale of Old Whiff
As voice
Merry Go Round of 1938
As Bert
Zaza
As Cascart
The Second Greatest Sex
As Job McClure
Josette
As Barney Barnaby
Love and Hisses
As Sugar Boles
That's Entertainment!
As (archive footage)
Whose Baby Are You?
As Bert Halibut
The Fantasticks
As Ben Hucklebee
Mister Universe
As Joe Pulaski
The Dark Side of the Rainbow
As 'Zeke' (archive footage)
Faint Heart
As Rudolf
The Great Waltz
As Hans Ebesteder
Hizzoner
As Bert Lahr, Cop
No More West
As Gunpowder Bert
Shemp Cocktail: A Toast to the Original Stooge
As Himself (archive footage)
To Oz! The Making of a Classic
As Self
The Big Parade of Comedy
As The Commander (archive footage)
Anything Goes
As Moonface
The Wonderful Wizard of Oz: 50 Years of Magic
As Self (archive footage)
Hollywood Singing and Dancing: A Musical History - The 1930s: Dancing Away the Great Depression
As Self (archive)
The Dark Side of Oz
As Zeke / Cowardly Lion (archive footage)
The Colgate Comedy Hour
As Self
The Merv Griffin Show
As Self
Omnibus
The Ed Sullivan Show
As Self - Comedian
General Electric Theater
As Mr. O'Malley
Hallmark Hall of Fame
As Hucklebee
The Hollywood Palace
As Self
Bob Hope Presents the Chrysler Theatre
The Philco Television Playhouse
As Skid Johnson
Summer Fun
The Steve Allen Show
As Self
What's My Line?
As Self - Mystery Guest