William H. O'Brien
- Known for Acting
Acting credits
- 1961 The Children's Hour as Funeral Assistant (uncredited)
- 1959 Pillow Talk as Nightclub Waiter (uncredited)
- 1956 The Harder They Fall as Ringsider (uncredited)
- 1955 The Seven Year Itch as Man at Train Station (uncredited)
- 1954 Dial M for Murder as Waiter at Stag Dinner (uncredited)
- 1951 A Streetcar Named Desire as Waiter (uncredited)
- 1946 The Best Years of Our Lives as Nightclub Waiter (uncredited)
- 1945 The Picture of Dorian Gray as Footman (uncredited)
- 1940 Rebecca as Hotel Waiter (uncredited)
- 1935 A Night at the Opera as Stagehand (uncredited)
- 1934 Hollywood Mystery as Tony's Butler
- 1931 Little Caesar as Waiter (uncredited)