David Selby
From Wikipedia, the free encyclopedia. David Lynn Selby (born February 5, 1941) is an American character and stage actor. He has worked in movies, soap operas and television. The naturally black-headed Selby is best known for playing the roles of Quentin Collins on the ABC-TV serial, Dark Shadows (a role he played from 1968 to its ending in 1971 and again in the recent audio revival), and as the evil and compassionate estranged son of Angela Channing (played by Jane Wyman), Richard Channing, on the primetime CBS soap opera Falcon Crest (a role he played from 1982 to 1990). Description above from the Wikipedia article David Selby, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Known for
The Social Network 
Equals 
Batman: The Dark Knight Returns, Part 1 
Batman: The Dark Knight Returns, Part 2 
Newness 
Unknown 
D3: The Mighty Ducks 
Surviving Christmas 
White Squall 
Dying Young 
Are You Here 
Intersection 
Inhale 
End Game 
Raise the Titanic 
Tell Me You Love Me 
Rich and Famous 
Night of Dark Shadows 
The Black Hole 
Shadow of Fear 
Back Fork 
Headless Body in Topless Bar 
Batman: The Dark Knight Returns 
Dark Shadows and Beyond - The Jonathan Frid Story