Final answer:
Dwayne Johnson, also known as The Rock, started his entertainment career as a professional wrestler before becoming a successful actor.
Step-by-step explanation:
The actor who started his entertainment career as a professional wrestler is Dwayne Johnson, also known as The Rock. Before becoming a successful actor, Johnson gained fame as a professional wrestler in the World Wrestling Federation (now known as WWE). After retiring from wrestling, he transitioned into acting and has since starred in numerous movies and TV shows, becoming one of the highest-paid actors in Hollywood.
Learn more about Dwayne Johnson's career as a professional wrestler and actor