
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.

The Graduate
1967 · as Hotel Guest (uncredited)

Citizen Kane
1941 · as Secretary (uncredited)

Some Like It Hot
1959 · as Hotel Guest (uncredited)

Witness for the Prosecution
1957 · as Barrister (uncredited)

High Noon
1952 · as Church Member (uncredited)

To Kill a Mockingbird
1962 · as Courtroom Spectator (uncredited)

Ocean's Eleven
1960 · as Waiter at Burlesque Club (uncredited)

Rebecca
1940 · as Hotel Waiter (uncredited)

Sabrina
1954 · as Bartender (uncredited)

Scarface
1932 · as Waiter (uncredited)

All About Eve
1950 · as Waiter at Margo's Party (uncredited)

Judgment at Nuremberg
1961 · as German Prisoner in Cafeteria (uncredited)

Around the World in 80 Days
1956 · as Extra (uncredited)

The Big Sleep
1946 · as Waiter (uncredited)

A Streetcar Named Desire
1951 · as Waiter (uncredited)

Gentlemen Prefer Blondes
1953 · as Ship Passenger (uncredited)

Dial M for Murder
1954 · as Waiter at Stag Dinner (uncredited)

The Seven Year Itch
1955 · as Man at Train Station (uncredited)