Bert Lahr — American Actor born on August 13, 1895, died on December 04, 1967

Bert Lahr, born Irving Lahrheim, was an American iconic actor, particularly of stage and film and comedian. Lahr is principally known for his role as the Cowardly Lion, as well as his counterpart Kansas farmworker Zeke in The Wizard of Oz. He was well known for his explosive humor, but also adapted well to dramatic roles and his work in burlesque, vaudeville, and on Broadway... (wikipedia)

After The Wizard Of Oz I was typecast as a lion, and there aren't all that many parts for lions.
That was my one big Hollywood hit, but, in a way, it hurt my picture career. After that, I was typecast as a lion, and there just weren't many parts for lions.