Nelson Sardelli (born September 20, 1934) is a Brazilian-born singer, actor, and comedian of Italian descent. Best known as an entertainer in Las Vegas, Sardelli has acted in films such as Myra Breckinridge and The Professionals. He was awarded the Golden Pillow Award from the International Entertainer School of Las Vegas in 2008. Sardelli is the biological father of actress Mariska Hargitay.