Greg Vaughan is an American actor. He started his professional acting career in 1996, debuting in an episode of Baywatch. That same year, he starred as Josh Walker in NBC soap opera Malibu Shores. He then played recurring role Cliff Yeager in Beverly Hills, 90210. The following year, he starred in the direct-to-video film Poison Ivy: The New Seduction. He also starred in the horror film Children of the Corn V: Fields of Terror.
From 1999 to 2000, he became known for his role as Dan Gordon in Charmed. He went on to play Diego Guittierez in the soap opera The Young and the Restless. It was, however, his role as Lucky Spencer in General Hospital that gained him fame. He continued his prolific career on television in the 2010s. As of 2012, he stars as Eric Brady in Days of Our Lives. He also played Calvin in the drama series Queen Sugar.