William Katt
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 ill-fated 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.
Known for
Carrie 
The Man from Earth 
House 
Jawbreaker 
The Man from Earth: Holocene 
Mirrors 2 
The 2nd 
Big Wednesday 
Sparks 
Problem Child 3: Junior in Love 
Piranha 
House IV 
The Paperboy 
Bone Eater 
Pursuit 
Subterranea 
Snake Island 
Pure Country 2: The Gift 
The Secret Lives of Dorks 
Cyborg 3: The Recycler 
First Love 
The Unwanted 
Perry Mason: The Case of the Sinister Spirit 
White Ghost 
Mother Teresa: In the Name of God's Poor 
The Christmas High Note 
Stranger by Night 
The Encore of Tony Duran