Son of Patricia O'Neal and Charles O'Neal, younger brother of Ryan O'Neal, and uncle of Tatum O'Neal and Griffin O'Neal.
At Long Last Love
Telegram Bellboy
Young Fury
Curly
You're the Judge
Bill
Village of the Giants
Harry
The Trouble with Girls
Yale
Love Story
The Mechanic
Party Guest
What's Up, Doc?
Delivery Boy
Kisses for My President
Sneaker Morton (uncredited)
The Big Bounce
Boy in Dune Buggy
The Thief Who Came to Dinner
Copy Boy (uncredited)