From Wikipedia the free encyclopedia William Theodore Katt born February 16 1951 is an American film and television actor best known as the star of The Greatest American Hero He is also known for playing Tommy Ross the illfated prom date of Carrie White in the film version of Carrie and Paul Drake Jr in the Perry Mason TV movies His mother is Barabra Hale who played Della Street in the TV series Perry Mason Description above from the Wikipedia article William Katt licensed under CCBYSA full list of contributors on Wikipedia