Step 1 : Introduction to the question "Which actor previously worked at the circus as a lion tamer?"
...Many years before he became an Oscar-winning actor, Christopher Walken was a lion tamer. Yes, you read that correctly. As a teenager, Walken worked at the circus as a lion tamer. In the show, Walken orchestrated lions onstage as the circus owner's apprentice. In a 2012 interview with Vanity Fair, Walken spoke fondly of the lion he once worked with. "It was a female lion named Sheba, and she was very sweet." Since his circus days, Walken has appeared in a number of famous films, including The Dead Zone, Pulp Fiction, and Sleepy Hollow. Walken won an Academy Award in 1979 for his supporting role in the cult film The Deer Hunter.
