"Law and Order" star Angie Harmon is one of many celebrities to have appeared on "The Tonight Show," but her appearance might ...

Jay Leno set the stage for his Tonight Show takeover years before he eavesdropped on NBC executives from a closet. His ascension to King of Late Night started when he refused to team up with other ...

The New Rochelle, New York, native is best known for his work on "The Tonight Show." Leno started being a substitute host in ...