Australian born William H. O'Brien began his screen acting career in Australia in 1918, then resumed in Hollywood in 1921. He continued acting in films and television series to 1971.
Murder by Contract
A Night at the Opera
Horizons West
Go Into Your Dance
The Strange Door
Reaching for the Moon
Toby Tyler or Ten Weeks with a Circus
Rebecca
The Far Country
Bud Abbott and Lou Costello Meet the Killer, Boris Karloff
Ball of Fire
The Thin Man
Body and Soul
Mary Poppins
Some Like It Hot
It Happened on Fifth Avenue
All About Eve
A Place in the Sun
The Trouble with Girls
Hong Kong
