Richard Lewis Springthorpe (born 23 August 1949) is an Australian singer, instrumentalist, songwriter, actor and author, known by his stage name Rick Springfield. He was a member of the pop rock group Zoot from 1969 to 1971, then started his solo career with his début single "Speak to the Sky" reaching the top 10 in Australia in mid-1972, when he moved to the United States. He had a No. 1 hit with "Jessie's Girl" in 1981 in both Australia and the U.S., for which he received the Grammy Award for Best Male Rock Vocal Performance. He followed with four more top 10 U.S. hits, "I've Done Everything for You", "Don't Talk to Strangers", "Affair of the Heart" and "Love Somebody". Springfield's two U.S. top 10 albums are Working Class Dog (1981) and Success Hasn't Spoiled Me Yet (1982).

As an actor, he starred in the television series High Tide, from 1994 to 1997, and has appeared in supporting roles in Ricki and the Flash and True Detective (both in 2015). He portrayed Dr. Noah Drake on the daytime drama General Hospital, from 1981 to 1983 and during 2005 to 2008 and 2012, returning in 2013 for the show's 50th anniversary with son and actor Liam Springthorpe. He played a depraved version of himself in Californication (2009). In 2010, Springfield published his autobiography, Late, Late at Night: A Memoir. He recently starred as Vince Vincente/Lucifer in season 12 of the American TV show Supernatural on The CW.