
Movies (Acting Roles)
Sorted by Release Date
Waking Up in Reno
Billy O'Sullivan was 21 in Waking Up in Reno as 'Lonnie Earl III'.Movie Released: Fri, Dec 13 2002

The Secret Kingdom
Billy O'Sullivan was 17 in The Secret Kingdom as 'Mark Fremont'.Movie Released: Tue, Feb 17 1998

Winner Takes All
Billy O'Sullivan was 17 in Winner Takes All as 'Kid Outside Check Cashing Place'.Movie Released: Thu, Jan 01 1998

Robin of Locksley
Billy O'Sullivan was 15 in Robin of Locksley as 'Will Scarlett'.Movie Released: Mon, Feb 26 1996

The Little Engine That Could
Billy O'Sullivan was 10 in The Little Engine That Could as 'Eric'.Movie Released: Tue, Jan 01 1991

Disneyland's 35th Anniversary Special
Billy O'Sullivan was 9 in Disneyland's 35th Anniversary Special as 'Bob'.Movie Released: Sun, Jul 01 1990

Stamp of a Killer
Billy O'Sullivan was 6 in Stamp of a Killer as 'Sam'.Movie Released: Sun, Nov 01 1987
TV Shows (Acting Roles)
Sorted by Release DateAges in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages

Boston Public
Billy O'Sullivan was 19+ in Boston Public as 'Harlan Pierce'.TV Show Released: First Air Date
Mon, Oct 23 2000
Mon, Oct 23 2000

Nowhere Man
Billy O'Sullivan was 14+ in Nowhere Man as 'Michael'.TV Show Released: First Air Date
Mon, Aug 28 1995
Mon, Aug 28 1995

I Know My First Name Is Steven
Billy O'Sullivan was 8+ in I Know My First Name Is Steven as 'Victor (Age 7)'.TV Show Released: First Air Date
Mon, May 22 1989
Mon, May 22 1989

The Van Dyke Show
Billy O'Sullivan was 7+ in The Van Dyke Show as 'Noah Burgess'.TV Show Released: First Air Date
Wed, Oct 26 1988
Wed, Oct 26 1988

Empty Nest
Billy O'Sullivan was 7+ in Empty Nest as 'Billy at 5'.TV Show Released: First Air Date
Sat, Oct 08 1988
Sat, Oct 08 1988