Henry O'Neill (10 Augustus 1891 – 18 Mei 1961) was 'n Amerikaanse akteur. Hy was bekend vir sy rolle in die rolprente The Story of Louis Pasteur (1936), The Walking Dead (1936), Calling Philo Vance (1940), en Holiday Affair (1949). 1934: Midnight Alibi 1934: Now I'll Tell 1935: Alias Mary Dow 1935: The Florentine Dagger 1935: The Great Hotel Murder 1936: The Story of Louis Pasteur 1936: The Walking Dead 1937: Draegerman Courage 1937: The Go Getter 1938: Girls on Probation 1939: Torchy Blane in Chinatown 1939: Everybody's Hobby 1939: The Man Who Dared 1939: Lucky Night 1940: Calling Philo Vance 1940: Money and the Woman 1941: The Getaway 1941: The Trial of Mary Dugan 1949: Holiday Affair 1949: The Reckless Moment 1950: The Flying Missile Henry O'Neill in die Internet-rolprentdatabasis