Only as a union leader. After the movies, he was a motivational speaker for GE and changed from a liberal, New Deal Democrat into a conservative Republican. http://historynewsnetwork.org/article/32681 has an interesting article about that time period in his life.
I realize that, but he was also the governor of California before running for the Presidency. His motivational speeches were really all about making a name for himself, beyond acting, to enter into politics.