Conversation so far:
What is Wallace Shawn famous for acting in?
His film roles included Wally Shawn in My Dinner with Andre, John Lahr in Prick Up Your Ears, Vizzini in The Princess Bride, Mr. James Hall in Clueless.
Did Wallace Shawn win any awards for his acting?
1995 Winner Chlotrudis Award, Best Actor, Vanya on 42nd Street
What else did Wallace Shawn star in besides My Dinner with Andre, Prick Up Your Ears, Princess Bride, and Clueless?
He also plays Dr. John Sturgis on the television series Young Sheldon.
Did Wallace Shawn have a favorite role he played?
Shawn said that he enjoyed playing Mr. Hall in “Clueless” because of his teaching background. Another favorite role he mentioned was as the voice of Rex in Pixar’s “Toy Story.”
When did Wallace Shawn begin acting?
Shawn's involvement with theater began in 1970 when he met Andre Gregory. As a stage actor, he has appeared mostly in his own plays and other projects with Gregory.
Did Wallace Shawn prefer acting to writing?
By the end of the 1970s, he had written six plays to almost universal indifference. Shawn was was offered an acting job and so began an accidental acting career.

Question: Did he act more in theater or film?
Self-contained rewrite: Did Wallace Shawn act more in theater or film?