John St. Polis

Crossroads(1942)

Professor (uncredited)

On the Spot(1940)

Doc Hunter

Abe Lincoln in Illinois(1940)

Minor Role (uncredited)

Haunted House(1940)

Simkins

Rocky Mountain Rangers(1940)

Joseph Manners

Boys' Reformatory(1939)

Superintendent Keene

They Shall Have Music(1939)

Davis

Mr. Wong, Detective(1938)

Carl Roemer

Saleslady(1938)

Crane

International Crime(1938)

Roger Morton

Phantom Ranger(1938)

Pat Doyle

The Mysterious Rider(1938)

Townsman

The Shadow Strikes(1937)

Caleb Delthern

Paradise Isle(1937)

Coxon

Jungle Menace(1937)

Chandler Elliott

Borderland(1937)

Doctor

The Dark Hour(1936)

Dr. Munro

Below the Deadline(1936)

Mr. Abrams

Call of the Prairie(1936)

Jim

Three on the Trail(1936)

Sheriff Sam Corwin

A Night at the Opera(1935)

Opera Conductor (uncredited)

Death from a Distance(1935)

Prof. Trowbridge

The Lady in Scarlet(1935)

Jerome T. Shelby

The President Vanishes(1934)

Attorney General Davis (uncredited)

Guilty Parents(1934)

Defense attorney

The World Gone Mad(1933)

Grover Cromwell

Notorious But Nice(1933)

John J. Martin

King of the Arena(1933)

Governor

Terror Trail(1933)

Colonel Charles Ormsby

Cocktail Hour(1933)

French Police Investigator (uncredited)

Symphony of Six Million(1932)

Dr. Schifflen

The Match King(1932)

Banker (uncredited)

If I Had a Million(1932)

Glidden Associate (uncredited)

Lena Rivers(1932)

John Nichols

The Crusader(1932)

Robert Henley

False Faces(1932)

Dr. McDonald

Alias the Doctor(1932)

Dr. Niergardt

The Gambling Sex(1932)

John Tracy

Call Her Savage(1932)

Doctor Consoling Nasa (Uncredited)

The Criminal Code(1931)

Dr. Rinewulf

Heartbreak(1931)

U.S. Ambassador

The Gay Diplomat(1931)

General

Transgression(1931)

Serafin, Arturo's Butler

The Yellow Ticket(1931)

Passport Official at Airport

Beau Ideal(1931)

Judge Advocate (as John M. St. Polis)

Their Mad Moment(1931)

Hotel Manager

Men of the Sky(1931)

Madeleine's Father

Doctors' Wives(1931)

Dr. Mark Wyndram

The Bad One(1930)

Judge

The Three Sisters(1930)

Judge

Party Girl(1930)

John Rountree

Kismet(1930)

The Imam Mahmud

A Devil with Women(1930)

Don Diego

Captain Thunder(1930)

Pedro

In the Next Room(1930)

Philip Vantine

The Melody Man(1930)

Von Kemper

Guilty?(1930)

Polk

Coquette(1929)

Dr. John M. Besant

Why Be Good?(1929)

Pa Kelly

Fast Life(1929)

Andrew Stratton

A Woman's Way(1928)

Mouvet

The Power of Silence(1928)

Defense Attorney

Marriage by Contract(1928)

Father

The Unknown(1927)

Surgeon (uncredited)

Too Many Crooks(1927)

Erastus Mason

The Greater Glory(1926)

Prof. Leopold Eberhardt (as John Sainpolis)

The Lily(1926)

Comte de Maigny

The Far Cry(1926)

Count Filippo Sturani

The Phantom of the Opera(1925)

Comte Philip de Chagny

My Lady's Lips(1925)

Inspector

Paint and Powder(1925)

Mark Kelsey (as John Sainpolis)

Those Who Dance(1924)

Monahan

Three Weeks(1924)

The King

Mademoiselle Midnight(1924)

Colonel de Gontran (Prologue)

The Alaskan(1924)

Rossland (as John Sainpolis)

The Rose of Paris(1924)

André du Vallois

Folly of Vanity(1924)

Ridgeway (modern sequence)

The Dixie Handicap(1924)

Dexter

In Every Woman's Life(1924)

Dr. Philip Logan

Held to Answer(1923)

Hiram Burbeck

Three Wise Fools(1923)

John Crawshay

The Untameable(1923)

Dr. Copin

Woman-Proof(1923)

Milo Bleech (as John Sainpolis)

The Social Code(1923)

Defense Attorney

The Hero(1923)

Andrew Lane

A Prince of a King(1923)

Mario

Shadows(1922)

Nate Snow

The Four Horsemen of the Apocalypse(1921)

Etienne Laurier

Cappy Ricks(1921)

Skinner (as John Sainpolis)

The Great Lover(1920)

Jean Paurel

Old Dad(1920)

Jeffrey Bretton

Stake Uncle Sam to Play Your Hand(1918)

Kaiser

All Woman(1918)

Sam Tupper

Laughing Bill Hyde(1918)

Black Jack Burg

Sapho(1917)

Dejoie

The Fortunes of Fifi(1917)

Duvernet

The Public Defender(1917)

David Moulton

The Love That Lives(1917)

Harvey Brooks

The Mystic Hour(1917)

Clavering

The Mark of Cain(1917)

Judge Hoyt

Sleeping Fires(1917)

Edwin Bryce

The Salamander(1916)

Albert Sassoon

The World Against Him(1916)

Dr. Hamilton Welsh

The Yellow Passport(1916)

Fedia

The Social Highwayman(1916)

Hanby

Wormwood(1915)

Bondwomen(1915)

Dr. Hugh Ellis

Joseph and His Coat of Many Colors(1914)

Soldiers of Fortune(1914)

Pres. Alvarez