Acting credits
17
Active
Consistent number of acting credits.

Acting
These indicators come from TMDB. They are relative signals, not review ratings.
Acting credits
17
Active
Consistent number of acting credits.
TMDB popularity
1.3
Low visibility
TMDB internal trend index. Higher usually means more searches and page activity now.
TMDB ID: 1776671
IMDb ID: nm0639446
Known for: Acting
Born: July 13, 1921
Died: August 4, 1944
Age: 23
Place of birth: Mimico, Ontario, Canada
Gender: Male
Adult content flag: No
Career span: 1926 - 1937
Years active: 12
Average TMDB rating: 5.02
Also known as
William S. O'Brien • William Stephens O'Brien
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.







Movie credits linked with Billy O'Brien.
as Young Jasper (Uncredited)
as Boy
as Perzinger-School Boy (uncredited)
as Spuds
as Paul Street Boy
as Spuds
as Messenger Boy
as Tom as a Boy
as Student
as Jackie's Friend (uncredited)
as Party Guest served by Marion Davies
as (unconfirmed)
as Billy
as Schoolboy
as Boy (uncredited)
as Child (uncredited)