William J. O'Brien

1929

• [ ] The Mysterious Dr. Fu Manchu (????) 

1931

• [ ] War Mamas (Heinrich, General's Aide (uncredited)) 
• [ ] Hell Bound (Bilmey) 

1932

• [ ] The Soilers (Bald Juror (uncredited)) 
• [ ] Mr. Bride (Musician) 

1933

• [ ] Lilly Turner (Man at Carnival (uncredited)) 

1936

• [ ] The Bridge of Sighs (Juror (uncredited)) 
• [ ] Mister Smarty (Second Floor Polisher) 
• [ ] Hopalong Cassidy Returns (Sandy) 
• [ ] Great Guy (Meat Clerk (Uncredited)) 

1937

• [ ] Portia on Trial (Juror) 
• [ ] The Great O'Malley (Man Whistling in Hospital Zone (uncredited)) 

1938

• [ ] Night Spot (Counterman at Diner) 
• [ ] Fugitives for a Night (Bald Gambler) 
• [ ] Tarnished Angel (Extra Sitting Next to Cramer at Two Meetings) 

1939

• [ ] Zenobia (Barker) 
• [ ] Silver on the Sage (Card Player) 
• [ ] Lucky Night (Casino Gambler (uncredited)) 

1940

• [ ] Stage to Chino (Townsman in Saloon (uncredited)) 
• [ ] Mexican Spitfire (Party Waiter) 
• [ ] Triple Justice (Tim - Proprietor) 
• [ ] The Bank Dick (Townsman Onlooker (uncredited)) 
• [ ] Dance, Girl, Dance (Burlesk House Spectator (uncredited)) 
• [ ] Phantom of Chinatown (Extra in Audience at Benton's Lecture) 

1941

• [ ] I Wake Up Screaming (Man hosing sidewalk (uncredited)) 
• [ ] Tom, Dick and Harry (Bartender (uncredited)) 

1943

• [ ] Gildersleeve's Bad Day (Juror (uncredited)) 
• [ ] Happy Land (Chris (uncredited)) 
• [ ] This Land Is Mine (Night Switchman) 
• [ ] Crazy House (Bald Man) 

1944

• [ ] The Invisible Man's Revenge (Bettor in Pub (uncredited)) 

1945

• [ ] Flame of Barbary Coast (Waiter) 
• [ ] The Falcon in San Francisco (Train Passenger (uncredited)) 
• [ ] Johnny Angel (Bartender (uncredited)) 
• [ ] What, No Cigarettes (Cigarette Customer) 

1946

• [ ] Deadline at Dawn (Man (uncredited)) 
• [ ] The Blue Dahlia (Man at Cavendish Apartments (uncredited)) 
• [ ] Badman's Territory (Man in Barber Chair (uncredited)) 
• [ ] The Locket (Waiter at Bonner's Party (uncredited)) 

1947

• [ ] Ivy (Bailiff (uncredited)) 
• [ ] They Won't Believe Me (????) 
• [ ] Trail Street (Barfly (uncredited)) 

1948

• [ ] Joe Palooka in Winner Take All (Fight Spetator) 
• [ ] The Noose Hangs High (Passerby (uncredited)) 

1949

• [ 10/10 ] The Set-Up (Pitchman (uncredited)) 
• [ ] The Accused (Police Detective (uncredited)) 
• [ ] Holiday Affair (Peanut Vendor (uncredited)) 
• [ ] Easy Living (Vendor Eating Hot Dog (uncredited)) 
• [ ] Dancing in the Dark (Waiter at Party) 
• [ ] A Dangerous Profession (????) 
• [ ] It's a Great Feeling (Saloon Waiter (uncredited)) 
• [ ] The Threat (Stage Doorman (uncredited)) 

1950

• [ ] Gambling House (Stage Manager (uncredited)) 
• [ ] Frenchie (Townsman (uncredited)) 
• [ ] The Secret Fury (Wedding Guest (uncredited)) 
• [ ] Outrage (Man Drawing Shade in Window (uncredited)) 
• [ ] Woman in Hiding (Bus Passenger (uncredited)) 
• [ ] The Underworld Story (Townsman on Street / In Coffee Shop (uncredited)) 
• [ ] Born to Be Bad (Bartender at Charity Ball (Uncredited)) 
• [ ] Woman on the Run (Waiter at Sullivan's Grotto (uncredited)) 
• [ ] Gun Crazy (Customer at Sharpshooting Act (uncredited)) 

1951

• [ ] I'll See You in My Dreams (Waiter (uncredited)) 
• [ ] Roadblock (Waiter (uncredited)) 
• [ 4/10 ] The Racket (Counterman / Short Order Cook (uncredited)) 
• [ ] Hard, Fast and Beautiful! (Bartender (uncredited)) 
• [ ] You Never Can Tell (Andrew Lindsay (uncredited)) 

1952

• [ ] O. Henry's Full House (Hotel Clerk (segment "The Clarion Call") (uncredited)) 
• [ ] Something to Live For (Bar Customer (uncredited)) 
• [ ] Everything I Have Is Yours (Passerby on Street (Uncredited)) 
• [ ] Horizons West (Barfly (uncredited)) 

1956

• [ ] Earth vs. the Flying Saucers (Radio Listener (archive footage) (uncredited))