
Henry O'Neill (1891–1961) was an American film actor known for playing gray-haired fathers, lawyers, and similarly roles during the 1930s and 1940s. O'Neill began his acting career on the stage, after dropping out of college to join a traveling theatre company. He served in the military in World War I, then returned to the stage. In the early 1930s he began appearing in films, including The Big Shakedown, Santa Fe Trail, Anchors Aweigh, The Green Years, and The Reckless Moment. His last film was The Wings of Eagles. Henry O'Neill died in 1961 at the age of 69.

Dark Shadows

Rainbow on the River

The Milkman

Lost Angel

Oil for the Lamps of China

The Amazing Dr. Clitterhouse

The White Angel

Air Raid Wardens

Jezebel

Shadow of the Thin Man

スキャンダル・シート

スター悩殺

Dodge City

The Story of Louis Pasteur

Gold Is Where You Find It

They Drive by Night

No Man of Her Own

Holiday Affair

Bad Bascomb

Anchors Aweigh

Castle on the Hudson

Stand by for Action

無謀な瞬間

A Guy Named Joe

The Great O'Malley

Dinky

ゾラの生涯

Alias Nick Beal

Blossoms in the Dust

The Man with Two Faces

Lucky Night

Bullets or Ballots

Juarez

Dr. Ehrlich's Magic Bullet

Road Gang

A Child is Born

Draegerman Courage

Gentlemen Are Born

Marked Woman

Fashions of 1934

The Sun Shines Bright

Thousands Cheer

Angels Wash Their Faces

Dr. Socrates

While the Patient Slept

This Man's Navy

Green Light

The Walking Dead

Whistling in Brooklyn

Honky Tonk

Upperworld

The Green Years

Men of Boys Town

The Wings of Eagles

The Human Comedy

Special Agent

Black Fury

First Lady

'Til We Meet Again

Sons of Liberty

Fog Over Frisco

Alias Mary Dow

Main Street Today

Nothing But Trouble

The Beginning or the End

Johnny Eager

The Golden Arrow

Invisible Stripes

Convicted

Knute Rockne All American

This Time for Keeps

The Bugle Sounds

Dangerous Partners

The Man Who Reclaimed His Head

Torchy Blane in Chinatown

Midnight Alibi

I've Got Your Number

The Virginian

Twenty Million Sweethearts

Confessions of a Nazi Spy

Wings of the Navy

Best Foot Forward

Freshman Love

The Kennel Murder Case

The Chaser

Bordertown

Wonder Bar

Girls on Probation

Calling Philo Vance

The Secret Bride

Between Two Women

Keep Your Powder Dry

Whistling in the Dark

White Cargo

Two Against the World

Stranded

The Great Hotel Murder

The Return of October

The Go-Getter

White Banners

Santa Fe Trail

Strange Bargain

The People Against O'Hara

The Florentine Dagger

Two Girls and a Sailor

Tortilla Flat

Sweet Music

From Headquarters

Everybody's Hobby

Journal of a Crime

Anthony Adverse

The Family Secret

The Fighting 69th

The Case of the Lucky Legs

Flirtation Walk

The Big Shakedown

Yellow Jack

The Second Woman

Living on Velvet

We're in the Money

Personal Maid's Secret

Down in San Diego

Dr. Gillespie's Criminal Case

Untamed

The Get-Away

Girl Crazy

Bedside

Mr. Dodd Takes the Air

Massacre

The Heavenly Body

Four Wives

Billy the Kid

Wells Fargo

The Hoodlum Saint

A Trip Thru a Hollywood Studio

Racket Busters

Scarlet Angel

Brother Rat

Boulder Dam

Born to Sing

The Man Who Dared

The Big Noise

Service with the Colors

Son of a Sailor

The Trial of Mary Dugan

Three Wise Fools

The Flying Missile

Midnight

Submarine D-1

Murder in the Clouds

The Key

Barbary Coast Gent

Side Streets

The House on 56th Street

I Loved a Woman

Now I'll Tell

The World Changes

Bright Lights

Madame du Barry

The Singing Marine

Little Mister Jim

You're My Everything

The Personality Kid

Money and the Woman

Big Hearted Herbert

Rationing

Leather Gloves

For God and Country