Complete filmography
Everything Henry O'Neill is credited on. Titles we have reviewed carry their Fi1m score; press Request a review on any other and it goes on our list.
1950s
The Wings of Eagles 1957as Capt. Spear
Untamed 1955as Squire O'Neill
The Sun Shines Bright 1953as Joe D. Habersham
Scarlet Angel 1952as Morgan Caldwell
Scandal Sheet 1952as Charlie Barnes
The Family Secret 1951as Donald Muir
The People Against O'Hara 1951as Judge Keating
The Flying Missile 1950as Thomas A. Scott
The Milkman 1950as Bradley, Sr.
Convicted 1950as Detective Dorn
The Second Woman 1950as Ben Sheppard
No Man of Her Own 1950as Mr. Harkness
1940s
Holiday Affair 1949as Mr. Crowley
The Reckless Moment 1949as Tom Harper
Strange Bargain 1949as Timothy Hearne
You're My Everything 1949as Prof. Adams
Alias Nick Beal 1949as Judge Ben Hobbs
Leather Gloves 1948as Dudley
The Return of October 1948as President Hotchkiss
Little Mister Jim 1947as Chaplain
The Beginning or the End 1947as Gen. Thomas F. Farrell
Three Wise Fools 1946as Prof. Horace Appleby
The Green Years 1946as Canon Roche
Bad Bascomb 1946as Gov. Winton