Known for Acting

Child & Teen actor Billy O'Brien. Brother of child actor Gene O'Brien. Profile photo of older guy with dark hair is NOT Billy O'Brien. His name might be the same, but it is not the correct person. That photo should be deleted. 8/28/1944 Culver City Evening Star News: "Captain William O'Brien Lost in the Pacific" news article states that Captain William S. O'Brien Culver City Ace in the South Pacific theatre of war has been missing in action since August 4th. He has shot down a number of Japanese fighter planes and latest reports indicate that the mission on which he was missing was somewhere in the New Guinea area.
1934
as Perzinger-School Boy (uncredited)
1933
as Student
1934
as Spuds
1934
as Messenger Boy
1933
1929
as Boy (uncredited)
1926
as Child (uncredited)
1933
as Tom as a Boy
1929
as Billy
1937
as Young Jasper (Uncredited)
1929
as (unconfirmed)
1934
as Spuds
1936
as Boy
1931
as Party Guest served by Marion Davies
1929
as Schoolboy
1934
as Paul Street Boy
1933
as Jackie's Friend (uncredited)